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Finding the Fourth Proportional to 951.04, 1,312.40 and 537.04

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Solution

The fourth proportional to 951.04, 1,312.40 and 537.04 is: 741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.04 : 1,312.40 = 537.04 : x
  2. Step 2: Convert to fraction form
    951.04/1,312.40 = 537.04/x
  3. Step 3: Cross multiply
    951.04x = 1,312.40 × 537.04
  4. Step 4: Simplify right side
    951.04x = 704,811.30
  5. Step 5: Solve for x
    x = 704,811.30/951.04
  6. Step 6: Final answer
    x = 741.10

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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.