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Finding the Fourth Proportional to 924.30, 1,274.69 and 592.91

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Solution

The fourth proportional to 924.30, 1,274.69 and 592.91 is: 817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.30 : 1,274.69 = 592.91 : x
  2. Step 2: Convert to fraction form
    924.30/1,274.69 = 592.91/x
  3. Step 3: Cross multiply
    924.30x = 1,274.69 × 592.91
  4. Step 4: Simplify right side
    924.30x = 755,767.11
  5. Step 5: Solve for x
    x = 755,767.11/924.30
  6. Step 6: Final answer
    x = 817.66

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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.