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Finding the Fourth Proportional to 418,482.15, 577,502.96 and 237,228.27

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Solution

The fourth proportional to 418,482.15, 577,502.96 and 237,228.27 is: 327,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,482.15 : 577,502.96 = 237,228.27 : x
  2. Step 2: Convert to fraction form
    418,482.15/577,502.96 = 237,228.27/x
  3. Step 3: Cross multiply
    418,482.15x = 577,502.96 × 237,228.27
  4. Step 4: Simplify right side
    418,482.15x = 137,000,026,934.54
  5. Step 5: Solve for x
    x = 137,000,026,934.54/418,482.15
  6. Step 6: Final answer
    x = 327,373.65

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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.