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Finding the Fourth Proportional to 574,466.32, 861,698.80 and 153,731.24

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Solution

The fourth proportional to 574,466.32, 861,698.80 and 153,731.24 is: 230,596.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,466.32 : 861,698.80 = 153,731.24 : x
  2. Step 2: Convert to fraction form
    574,466.32/861,698.80 = 153,731.24/x
  3. Step 3: Cross multiply
    574,466.32x = 861,698.80 × 153,731.24
  4. Step 4: Simplify right side
    574,466.32x = 132,470,025,030.51
  5. Step 5: Solve for x
    x = 132,470,025,030.51/574,466.32
  6. Step 6: Final answer
    x = 230,596.68

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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.