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Finding the Fourth Proportional to 630.13, 938.86 and 594.76

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Solution

The fourth proportional to 630.13, 938.86 and 594.76 is: 886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.13 : 938.86 = 594.76 : x
  2. Step 2: Convert to fraction form
    630.13/938.86 = 594.76/x
  3. Step 3: Cross multiply
    630.13x = 938.86 × 594.76
  4. Step 4: Simplify right side
    630.13x = 558,398.29
  5. Step 5: Solve for x
    x = 558,398.29/630.13
  6. Step 6: Final answer
    x = 886.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.