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Finding the Fourth Proportional to 866,101.10, 1,299,373.28 and 360,494.03

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Solution

The fourth proportional to 866,101.10, 1,299,373.28 and 360,494.03 is: 540,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,101.10 : 1,299,373.28 = 360,494.03 : x
  2. Step 2: Convert to fraction form
    866,101.10/1,299,373.28 = 360,494.03/x
  3. Step 3: Cross multiply
    866,101.10x = 1,299,373.28 × 360,494.03
  4. Step 4: Simplify right side
    866,101.10x = 468,416,301,882.18
  5. Step 5: Solve for x
    x = 468,416,301,882.18/866,101.10
  6. Step 6: Final answer
    x = 540,833.29

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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.