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Finding the Fourth Proportional to 619,159.47, 928,960.43 and 376,494.25

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Solution

The fourth proportional to 619,159.47, 928,960.43 and 376,494.25 is: 564,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,159.47 : 928,960.43 = 376,494.25 : x
  2. Step 2: Convert to fraction form
    619,159.47/928,960.43 = 376,494.25/x
  3. Step 3: Cross multiply
    619,159.47x = 928,960.43 × 376,494.25
  4. Step 4: Simplify right side
    619,159.47x = 349,748,262,694.93
  5. Step 5: Solve for x
    x = 349,748,262,694.93/619,159.47
  6. Step 6: Final answer
    x = 564,875.90

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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.