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Finding the Fourth Proportional to 376,909.74, 520,256.64 and 241,308.90

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Solution

The fourth proportional to 376,909.74, 520,256.64 and 241,308.90 is: 333,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,909.74 : 520,256.64 = 241,308.90 : x
  2. Step 2: Convert to fraction form
    376,909.74/520,256.64 = 241,308.90/x
  3. Step 3: Cross multiply
    376,909.74x = 520,256.64 × 241,308.90
  4. Step 4: Simplify right side
    376,909.74x = 125,542,557,516.10
  5. Step 5: Solve for x
    x = 125,542,557,516.10/376,909.74
  6. Step 6: Final answer
    x = 333,083.88

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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.