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Finding the Fourth Proportional to 530,337.16, 731,897.94 and 304,016.68

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Solution

The fourth proportional to 530,337.16, 731,897.94 and 304,016.68 is: 419,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,337.16 : 731,897.94 = 304,016.68 : x
  2. Step 2: Convert to fraction form
    530,337.16/731,897.94 = 304,016.68/x
  3. Step 3: Cross multiply
    530,337.16x = 731,897.94 × 304,016.68
  4. Step 4: Simplify right side
    530,337.16x = 222,509,181,817.64
  5. Step 5: Solve for x
    x = 222,509,181,817.64/530,337.16
  6. Step 6: Final answer
    x = 419,561.74

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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.