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Finding the Fourth Proportional to 376,842.06, 520,046.14 and 207,076.16

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Solution

The fourth proportional to 376,842.06, 520,046.14 and 207,076.16 is: 285,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,842.06 : 520,046.14 = 207,076.16 : x
  2. Step 2: Convert to fraction form
    376,842.06/520,046.14 = 207,076.16/x
  3. Step 3: Cross multiply
    376,842.06x = 520,046.14 × 207,076.16
  4. Step 4: Simplify right side
    376,842.06x = 107,689,157,694.02
  5. Step 5: Solve for x
    x = 107,689,157,694.02/376,842.06
  6. Step 6: Final answer
    x = 285,767.35

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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.