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Finding the Fourth Proportional to 376,905.74, 520,251.12 and 241,304.90

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Solution

The fourth proportional to 376,905.74, 520,251.12 and 241,304.90 is: 333,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,905.74 : 520,251.12 = 241,304.90 : x
  2. Step 2: Convert to fraction form
    376,905.74/520,251.12 = 241,304.90/x
  3. Step 3: Cross multiply
    376,905.74x = 520,251.12 × 241,304.90
  4. Step 4: Simplify right side
    376,905.74x = 125,539,141,885.23
  5. Step 5: Solve for x
    x = 125,539,141,885.23/376,905.74
  6. Step 6: Final answer
    x = 333,078.35

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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.