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Finding the Fourth Proportional to 635,332.95, 952,999.76 and 398,841.70

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Solution

The fourth proportional to 635,332.95, 952,999.76 and 398,841.70 is: 598,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,332.95 : 952,999.76 = 398,841.70 : x
  2. Step 2: Convert to fraction form
    635,332.95/952,999.76 = 398,841.70/x
  3. Step 3: Cross multiply
    635,332.95x = 952,999.76 × 398,841.70
  4. Step 4: Simplify right side
    635,332.95x = 380,096,046,566.35
  5. Step 5: Solve for x
    x = 380,096,046,566.35/635,332.95
  6. Step 6: Final answer
    x = 598,262.77

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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.