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Finding the Fourth Proportional to 1,032.59, 1,425.09 and 613.01

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Solution

The fourth proportional to 1,032.59, 1,425.09 and 613.01 is: 846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.59 : 1,425.09 = 613.01 : x
  2. Step 2: Convert to fraction form
    1,032.59/1,425.09 = 613.01/x
  3. Step 3: Cross multiply
    1,032.59x = 1,425.09 × 613.01
  4. Step 4: Simplify right side
    1,032.59x = 873,587.30
  5. Step 5: Solve for x
    x = 873,587.30/1,032.59
  6. Step 6: Final answer
    x = 846.02

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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.