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Finding the Fourth Proportional to 530,702.58, 732,177.23 and 301,126.92

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Solution

The fourth proportional to 530,702.58, 732,177.23 and 301,126.92 is: 415,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,702.58 : 732,177.23 = 301,126.92 : x
  2. Step 2: Convert to fraction form
    530,702.58/732,177.23 = 301,126.92/x
  3. Step 3: Cross multiply
    530,702.58x = 732,177.23 × 301,126.92
  4. Step 4: Simplify right side
    530,702.58x = 220,478,269,912.73
  5. Step 5: Solve for x
    x = 220,478,269,912.73/530,702.58
  6. Step 6: Final answer
    x = 415,446.01

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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.