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Finding the Fourth Proportional to 376,924.04, 520,156.86 and 207,169.10

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Solution

The fourth proportional to 376,924.04, 520,156.86 and 207,169.10 is: 285,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,924.04 : 520,156.86 = 207,169.10 : x
  2. Step 2: Convert to fraction form
    376,924.04/520,156.86 = 207,169.10/x
  3. Step 3: Cross multiply
    376,924.04x = 520,156.86 × 207,169.10
  4. Step 4: Simplify right side
    376,924.04x = 107,760,428,545.03
  5. Step 5: Solve for x
    x = 107,760,428,545.03/376,924.04
  6. Step 6: Final answer
    x = 285,894.28

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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.