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Finding the Fourth Proportional to 377,497.61, 566,335.10 and 124,778.12

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Solution

The fourth proportional to 377,497.61, 566,335.10 and 124,778.12 is: 187,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,497.61 : 566,335.10 = 124,778.12 : x
  2. Step 2: Convert to fraction form
    377,497.61/566,335.10 = 124,778.12/x
  3. Step 3: Cross multiply
    377,497.61x = 566,335.10 × 124,778.12
  4. Step 4: Simplify right side
    377,497.61x = 70,666,226,548.28
  5. Step 5: Solve for x
    x = 70,666,226,548.28/377,497.61
  6. Step 6: Final answer
    x = 187,196.49

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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.