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Finding the Fourth Proportional to 376,407.72, 519,269.38 and 240,373.52

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Solution

The fourth proportional to 376,407.72, 519,269.38 and 240,373.52 is: 331,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,407.72 : 519,269.38 = 240,373.52 : x
  2. Step 2: Convert to fraction form
    376,407.72/519,269.38 = 240,373.52/x
  3. Step 3: Cross multiply
    376,407.72x = 519,269.38 × 240,373.52
  4. Step 4: Simplify right side
    376,407.72x = 124,818,608,698.82
  5. Step 5: Solve for x
    x = 124,818,608,698.82/376,407.72
  6. Step 6: Final answer
    x = 331,604.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.