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Finding the Fourth Proportional to 582.48, 803.88 and 529.92

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Solution

The fourth proportional to 582.48, 803.88 and 529.92 is: 731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.48 : 803.88 = 529.92 : x
  2. Step 2: Convert to fraction form
    582.48/803.88 = 529.92/x
  3. Step 3: Cross multiply
    582.48x = 803.88 × 529.92
  4. Step 4: Simplify right side
    582.48x = 425,992.09
  5. Step 5: Solve for x
    x = 425,992.09/582.48
  6. Step 6: Final answer
    x = 731.34

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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.