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Finding the Fourth Proportional to 1,130.04, 1,695.71 and 610.04

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Solution

The fourth proportional to 1,130.04, 1,695.71 and 610.04 is: 915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.04 : 1,695.71 = 610.04 : x
  2. Step 2: Convert to fraction form
    1,130.04/1,695.71 = 610.04/x
  3. Step 3: Cross multiply
    1,130.04x = 1,695.71 × 610.04
  4. Step 4: Simplify right side
    1,130.04x = 1,034,456.69
  5. Step 5: Solve for x
    x = 1,034,456.69/1,130.04
  6. Step 6: Final answer
    x = 915.42

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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.