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Finding the Fourth Proportional to 924.47, 1,275.69 and 526.13

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Solution

The fourth proportional to 924.47, 1,275.69 and 526.13 is: 726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.47 : 1,275.69 = 526.13 : x
  2. Step 2: Convert to fraction form
    924.47/1,275.69 = 526.13/x
  3. Step 3: Cross multiply
    924.47x = 1,275.69 × 526.13
  4. Step 4: Simplify right side
    924.47x = 671,181.97
  5. Step 5: Solve for x
    x = 671,181.97/924.47
  6. Step 6: Final answer
    x = 726.02

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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.