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Finding the Fourth Proportional to 528,502.47, 729,028.40 and 337,300.35

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Solution

The fourth proportional to 528,502.47, 729,028.40 and 337,300.35 is: 465,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,502.47 : 729,028.40 = 337,300.35 : x
  2. Step 2: Convert to fraction form
    528,502.47/729,028.40 = 337,300.35/x
  3. Step 3: Cross multiply
    528,502.47x = 729,028.40 × 337,300.35
  4. Step 4: Simplify right side
    528,502.47x = 245,901,532,793.44
  5. Step 5: Solve for x
    x = 245,901,532,793.44/528,502.47
  6. Step 6: Final answer
    x = 465,279.82

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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.