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Finding the Fourth Proportional to 559,301.30, 838,951.95 and 403,003.70

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Solution

The fourth proportional to 559,301.30, 838,951.95 and 403,003.70 is: 604,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,301.30 : 838,951.95 = 403,003.70 : x
  2. Step 2: Convert to fraction form
    559,301.30/838,951.95 = 403,003.70/x
  3. Step 3: Cross multiply
    559,301.30x = 838,951.95 × 403,003.70
  4. Step 4: Simplify right side
    559,301.30x = 338,100,739,972.22
  5. Step 5: Solve for x
    x = 338,100,739,972.22/559,301.30
  6. Step 6: Final answer
    x = 604,505.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.