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Finding the Fourth Proportional to 366,867.40, 550,301.10 and 156,915.40

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Solution

The fourth proportional to 366,867.40, 550,301.10 and 156,915.40 is: 235,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,867.40 : 550,301.10 = 156,915.40 : x
  2. Step 2: Convert to fraction form
    366,867.40/550,301.10 = 156,915.40/x
  3. Step 3: Cross multiply
    366,867.40x = 550,301.10 × 156,915.40
  4. Step 4: Simplify right side
    366,867.40x = 86,350,717,226.94
  5. Step 5: Solve for x
    x = 86,350,717,226.94/366,867.40
  6. Step 6: Final answer
    x = 235,373.10

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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.