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Finding the Fourth Proportional to 528,502.35, 729,028.22 and 337,300.23

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Solution

The fourth proportional to 528,502.35, 729,028.22 and 337,300.23 is: 465,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,502.35 : 729,028.22 = 337,300.23 : x
  2. Step 2: Convert to fraction form
    528,502.35/729,028.22 = 337,300.23/x
  3. Step 3: Cross multiply
    528,502.35x = 729,028.22 × 337,300.23
  4. Step 4: Simplify right side
    528,502.35x = 245,901,386,282.49
  5. Step 5: Solve for x
    x = 245,901,386,282.49/528,502.35
  6. Step 6: Final answer
    x = 465,279.65

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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.