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Finding the Fourth Proportional to 564,131.13, 845,753.64 and 386,098.39

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Solution

The fourth proportional to 564,131.13, 845,753.64 and 386,098.39 is: 578,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,131.13 : 845,753.64 = 386,098.39 : x
  2. Step 2: Convert to fraction form
    564,131.13/845,753.64 = 386,098.39/x
  3. Step 3: Cross multiply
    564,131.13x = 845,753.64 × 386,098.39
  4. Step 4: Simplify right side
    564,131.13x = 326,544,118,740.64
  5. Step 5: Solve for x
    x = 326,544,118,740.64/564,131.13
  6. Step 6: Final answer
    x = 578,844.35

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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.