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Finding the Fourth Proportional to 376,615.17, 519,508.49 and 254,318.13

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Solution

The fourth proportional to 376,615.17, 519,508.49 and 254,318.13 is: 350,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,615.17 : 519,508.49 = 254,318.13 : x
  2. Step 2: Convert to fraction form
    376,615.17/519,508.49 = 254,318.13/x
  3. Step 3: Cross multiply
    376,615.17x = 519,508.49 × 254,318.13
  4. Step 4: Simplify right side
    376,615.17x = 132,120,426,424.33
  5. Step 5: Solve for x
    x = 132,120,426,424.33/376,615.17
  6. Step 6: Final answer
    x = 350,810.16

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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.