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Finding the Fourth Proportional to 529,842.69, 731,202.11 and 303,531.93

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Solution

The fourth proportional to 529,842.69, 731,202.11 and 303,531.93 is: 418,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,842.69 : 731,202.11 = 303,531.93 : x
  2. Step 2: Convert to fraction form
    529,842.69/731,202.11 = 303,531.93/x
  3. Step 3: Cross multiply
    529,842.69x = 731,202.11 × 303,531.93
  4. Step 4: Simplify right side
    529,842.69x = 221,943,186,150.71
  5. Step 5: Solve for x
    x = 221,943,186,150.71/529,842.69
  6. Step 6: Final answer
    x = 418,885.06

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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.