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Finding the Fourth Proportional to 732.86, 1,098.53 and 527.32

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Solution

The fourth proportional to 732.86, 1,098.53 and 527.32 is: 790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.86 : 1,098.53 = 527.32 : x
  2. Step 2: Convert to fraction form
    732.86/1,098.53 = 527.32/x
  3. Step 3: Cross multiply
    732.86x = 1,098.53 × 527.32
  4. Step 4: Simplify right side
    732.86x = 579,274.51
  5. Step 5: Solve for x
    x = 579,274.51/732.86
  6. Step 6: Final answer
    x = 790.43

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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.