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Finding the Fourth Proportional to 574,431.36, 861,581.36 and 153,740.04

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Solution

The fourth proportional to 574,431.36, 861,581.36 and 153,740.04 is: 230,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,431.36 : 861,581.36 = 153,740.04 : x
  2. Step 2: Convert to fraction form
    574,431.36/861,581.36 = 153,740.04/x
  3. Step 3: Cross multiply
    574,431.36x = 861,581.36 × 153,740.04
  4. Step 4: Simplify right side
    574,431.36x = 132,459,552,749.65
  5. Step 5: Solve for x
    x = 132,459,552,749.65/574,431.36
  6. Step 6: Final answer
    x = 230,592.48

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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.