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Finding the Fourth Proportional to 623,520.27, 860,457.60 and 337,040.37

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Solution

The fourth proportional to 623,520.27, 860,457.60 and 337,040.37 is: 465,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,520.27 : 860,457.60 = 337,040.37 : x
  2. Step 2: Convert to fraction form
    623,520.27/860,457.60 = 337,040.37/x
  3. Step 3: Cross multiply
    623,520.27x = 860,457.60 × 337,040.37
  4. Step 4: Simplify right side
    623,520.27x = 290,008,947,873.31
  5. Step 5: Solve for x
    x = 290,008,947,873.31/623,520.27
  6. Step 6: Final answer
    x = 465,115.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.