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Finding the Fourth Proportional to 574,303.76, 861,455.57 and 153,568.70

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Solution

The fourth proportional to 574,303.76, 861,455.57 and 153,568.70 is: 230,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,303.76 : 861,455.57 = 153,568.70 : x
  2. Step 2: Convert to fraction form
    574,303.76/861,455.57 = 153,568.70/x
  3. Step 3: Cross multiply
    574,303.76x = 861,455.57 × 153,568.70
  4. Step 4: Simplify right side
    574,303.76x = 132,292,608,069.30
  5. Step 5: Solve for x
    x = 132,292,608,069.30/574,303.76
  6. Step 6: Final answer
    x = 230,353.03

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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.