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Finding the Fourth Proportional to 623,687.24, 860,687.66 and 337,206.64

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Solution

The fourth proportional to 623,687.24, 860,687.66 and 337,206.64 is: 465,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,687.24 : 860,687.66 = 337,206.64 : x
  2. Step 2: Convert to fraction form
    623,687.24/860,687.66 = 337,206.64/x
  3. Step 3: Cross multiply
    623,687.24x = 860,687.66 × 337,206.64
  4. Step 4: Simplify right side
    623,687.24x = 290,229,593,918.06
  5. Step 5: Solve for x
    x = 290,229,593,918.06/623,687.24
  6. Step 6: Final answer
    x = 465,344.77

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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.