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Finding the Fourth Proportional to 530,092.13, 731,527.16 and 291,628.13

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Solution

The fourth proportional to 530,092.13, 731,527.16 and 291,628.13 is: 402,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,092.13 : 731,527.16 = 291,628.13 : x
  2. Step 2: Convert to fraction form
    530,092.13/731,527.16 = 291,628.13/x
  3. Step 3: Cross multiply
    530,092.13x = 731,527.16 × 291,628.13
  4. Step 4: Simplify right side
    530,092.13x = 213,333,892,599.23
  5. Step 5: Solve for x
    x = 213,333,892,599.23/530,092.13
  6. Step 6: Final answer
    x = 402,446.82

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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.