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Finding the Fourth Proportional to 1,565.52, 2,347.39 and 524.98

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Solution

The fourth proportional to 1,565.52, 2,347.39 and 524.98 is: 787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.52 : 2,347.39 = 524.98 : x
  2. Step 2: Convert to fraction form
    1,565.52/2,347.39 = 524.98/x
  3. Step 3: Cross multiply
    1,565.52x = 2,347.39 × 524.98
  4. Step 4: Simplify right side
    1,565.52x = 1,232,332.80
  5. Step 5: Solve for x
    x = 1,232,332.80/1,565.52
  6. Step 6: Final answer
    x = 787.17

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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.