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Finding the Fourth Proportional to 635,333.13, 953,000.04 and 398,841.89

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Solution

The fourth proportional to 635,333.13, 953,000.04 and 398,841.89 is: 598,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,333.13 : 953,000.04 = 398,841.89 : x
  2. Step 2: Convert to fraction form
    635,333.13/953,000.04 = 398,841.89/x
  3. Step 3: Cross multiply
    635,333.13x = 953,000.04 × 398,841.89
  4. Step 4: Simplify right side
    635,333.13x = 380,096,337,428.08
  5. Step 5: Solve for x
    x = 380,096,337,428.08/635,333.13
  6. Step 6: Final answer
    x = 598,263.05

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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.