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Finding the Fourth Proportional to 635,353.41, 953,030.42 and 398,862.17

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Solution

The fourth proportional to 635,353.41, 953,030.42 and 398,862.17 is: 598,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,353.41 : 953,030.42 = 398,862.17 : x
  2. Step 2: Convert to fraction form
    635,353.41/953,030.42 = 398,862.17/x
  3. Step 3: Cross multiply
    635,353.41x = 953,030.42 × 398,862.17
  4. Step 4: Simplify right side
    635,353.41x = 380,127,776,133.48
  5. Step 5: Solve for x
    x = 380,127,776,133.48/635,353.41
  6. Step 6: Final answer
    x = 598,293.44

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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.