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Finding the Fourth Proportional to 746.10, 1,117.53 and 601.92

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Solution

The fourth proportional to 746.10, 1,117.53 and 601.92 is: 901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.10 : 1,117.53 = 601.92 : x
  2. Step 2: Convert to fraction form
    746.10/1,117.53 = 601.92/x
  3. Step 3: Cross multiply
    746.10x = 1,117.53 × 601.92
  4. Step 4: Simplify right side
    746.10x = 672,663.66
  5. Step 5: Solve for x
    x = 672,663.66/746.10
  6. Step 6: Final answer
    x = 901.57

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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.