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Finding the Fourth Proportional to 376,722.42, 519,874.47 and 204,638.82

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Solution

The fourth proportional to 376,722.42, 519,874.47 and 204,638.82 is: 282,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,722.42 : 519,874.47 = 204,638.82 : x
  2. Step 2: Convert to fraction form
    376,722.42/519,874.47 = 204,638.82/x
  3. Step 3: Cross multiply
    376,722.42x = 519,874.47 × 204,638.82
  4. Step 4: Simplify right side
    376,722.42x = 106,386,498,088.93
  5. Step 5: Solve for x
    x = 106,386,498,088.93/376,722.42
  6. Step 6: Final answer
    x = 282,400.23

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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.