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Finding the Fourth Proportional to 406,046.86, 560,215.85 and 236,248.18

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Solution

The fourth proportional to 406,046.86, 560,215.85 and 236,248.18 is: 325,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,046.86 : 560,215.85 = 236,248.18 : x
  2. Step 2: Convert to fraction form
    406,046.86/560,215.85 = 236,248.18/x
  3. Step 3: Cross multiply
    406,046.86x = 560,215.85 × 236,248.18
  4. Step 4: Simplify right side
    406,046.86x = 132,349,974,969.65
  5. Step 5: Solve for x
    x = 132,349,974,969.65/406,046.86
  6. Step 6: Final answer
    x = 325,947.54

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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.