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Finding the Fourth Proportional to 528,332.53, 729,098.89 and 301,982.89

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Solution

The fourth proportional to 528,332.53, 729,098.89 and 301,982.89 is: 416,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,332.53 : 729,098.89 = 301,982.89 : x
  2. Step 2: Convert to fraction form
    528,332.53/729,098.89 = 301,982.89/x
  3. Step 3: Cross multiply
    528,332.53x = 729,098.89 × 301,982.89
  4. Step 4: Simplify right side
    528,332.53x = 220,175,389,897.99
  5. Step 5: Solve for x
    x = 220,175,389,897.99/528,332.53
  6. Step 6: Final answer
    x = 416,736.39

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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.