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Finding the Fourth Proportional to 1,242.04, 1,863.54 and 592.60

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Solution

The fourth proportional to 1,242.04, 1,863.54 and 592.60 is: 889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242.04 : 1,863.54 = 592.60 : x
  2. Step 2: Convert to fraction form
    1,242.04/1,863.54 = 592.60/x
  3. Step 3: Cross multiply
    1,242.04x = 1,863.54 × 592.60
  4. Step 4: Simplify right side
    1,242.04x = 1,104,333.80
  5. Step 5: Solve for x
    x = 1,104,333.80/1,242.04
  6. Step 6: Final answer
    x = 889.13

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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.