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Finding the Fourth Proportional to 924,484.38, 1,384,359 and 639,780.72

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Solution

The fourth proportional to 924,484.38, 1,384,359 and 639,780.72 is: 958,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,484.38 : 1,384,359 = 639,780.72 : x
  2. Step 2: Convert to fraction form
    924,484.38/1,384,359 = 639,780.72/x
  3. Step 3: Cross multiply
    924,484.38x = 1,384,359 × 639,780.72
  4. Step 4: Simplify right side
    924,484.38x = 885,686,197,758.48
  5. Step 5: Solve for x
    x = 885,686,197,758.48/924,484.38
  6. Step 6: Final answer
    x = 958,032.63

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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.