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Finding the Fourth Proportional to 1,472.18, 2,207.40 and 594.71

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Solution

The fourth proportional to 1,472.18, 2,207.40 and 594.71 is: 891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.18 : 2,207.40 = 594.71 : x
  2. Step 2: Convert to fraction form
    1,472.18/2,207.40 = 594.71/x
  3. Step 3: Cross multiply
    1,472.18x = 2,207.40 × 594.71
  4. Step 4: Simplify right side
    1,472.18x = 1,312,762.46
  5. Step 5: Solve for x
    x = 1,312,762.46/1,472.18
  6. Step 6: Final answer
    x = 891.71

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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.