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Finding the Fourth Proportional to 1,156.04, 1,734.05 and 462.88

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Solution

The fourth proportional to 1,156.04, 1,734.05 and 462.88 is: 694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.04 : 1,734.05 = 462.88 : x
  2. Step 2: Convert to fraction form
    1,156.04/1,734.05 = 462.88/x
  3. Step 3: Cross multiply
    1,156.04x = 1,734.05 × 462.88
  4. Step 4: Simplify right side
    1,156.04x = 802,646.08
  5. Step 5: Solve for x
    x = 802,646.08/1,156.04
  6. Step 6: Final answer
    x = 694.31

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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.