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Finding the Fourth Proportional to 250,359.80, 375,029.40 and 155,298.20

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Solution

The fourth proportional to 250,359.80, 375,029.40 and 155,298.20 is: 232,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,359.80 : 375,029.40 = 155,298.20 : x
  2. Step 2: Convert to fraction form
    250,359.80/375,029.40 = 155,298.20/x
  3. Step 3: Cross multiply
    250,359.80x = 375,029.40 × 155,298.20
  4. Step 4: Simplify right side
    250,359.80x = 58,241,390,767.08
  5. Step 5: Solve for x
    x = 58,241,390,767.08/250,359.80
  6. Step 6: Final answer
    x = 232,630.76

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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.