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Finding the Fourth Proportional to 864,791.52, 1,193,333.76 and 482,748

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Solution

The fourth proportional to 864,791.52, 1,193,333.76 and 482,748 is: 666,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,791.52 : 1,193,333.76 = 482,748 : x
  2. Step 2: Convert to fraction form
    864,791.52/1,193,333.76 = 482,748/x
  3. Step 3: Cross multiply
    864,791.52x = 1,193,333.76 × 482,748
  4. Step 4: Simplify right side
    864,791.52x = 576,079,485,972.48
  5. Step 5: Solve for x
    x = 576,079,485,972.48/864,791.52
  6. Step 6: Final answer
    x = 666,148.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.