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Finding the Fourth Proportional to 623,558.76, 860,505.60 and 337,076.28

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Solution

The fourth proportional to 623,558.76, 860,505.60 and 337,076.28 is: 465,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,558.76 : 860,505.60 = 337,076.28 : x
  2. Step 2: Convert to fraction form
    623,558.76/860,505.60 = 337,076.28/x
  3. Step 3: Cross multiply
    623,558.76x = 860,505.60 × 337,076.28
  4. Step 4: Simplify right side
    623,558.76x = 290,056,026,567.17
  5. Step 5: Solve for x
    x = 290,056,026,567.17/623,558.76
  6. Step 6: Final answer
    x = 465,162.30

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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.