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Finding the Fourth Proportional to 250,371.30, 375,046.65 and 155,309.70

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Solution

The fourth proportional to 250,371.30, 375,046.65 and 155,309.70 is: 232,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,371.30 : 375,046.65 = 155,309.70 : x
  2. Step 2: Convert to fraction form
    250,371.30/375,046.65 = 155,309.70/x
  3. Step 3: Cross multiply
    250,371.30x = 375,046.65 × 155,309.70
  4. Step 4: Simplify right side
    250,371.30x = 58,248,382,697.51
  5. Step 5: Solve for x
    x = 58,248,382,697.51/250,371.30
  6. Step 6: Final answer
    x = 232,648.00

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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.