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Finding the Fourth Proportional to 276,042.30, 413,026.65 and 251,159.10

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Solution

The fourth proportional to 276,042.30, 413,026.65 and 251,159.10 is: 375,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,042.30 : 413,026.65 = 251,159.10 : x
  2. Step 2: Convert to fraction form
    276,042.30/413,026.65 = 251,159.10/x
  3. Step 3: Cross multiply
    276,042.30x = 413,026.65 × 251,159.10
  4. Step 4: Simplify right side
    276,042.30x = 103,735,401,690.02
  5. Step 5: Solve for x
    x = 103,735,401,690.02/276,042.30
  6. Step 6: Final answer
    x = 375,795.31

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1.5x scale

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.