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Finding the Fourth Proportional to 372,644.10, 558,966.15 and 335,246.40

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Solution

The fourth proportional to 372,644.10, 558,966.15 and 335,246.40 is: 502,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,644.10 : 558,966.15 = 335,246.40 : x
  2. Step 2: Convert to fraction form
    372,644.10/558,966.15 = 335,246.40/x
  3. Step 3: Cross multiply
    372,644.10x = 558,966.15 × 335,246.40
  4. Step 4: Simplify right side
    372,644.10x = 187,391,389,509.36
  5. Step 5: Solve for x
    x = 187,391,389,509.36/372,644.10
  6. Step 6: Final answer
    x = 502,869.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.