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Finding the Fourth Proportional to 406,410.92, 560,499.54 and 245,231.72

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Solution

The fourth proportional to 406,410.92, 560,499.54 and 245,231.72 is: 338,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,410.92 : 560,499.54 = 245,231.72 : x
  2. Step 2: Convert to fraction form
    406,410.92/560,499.54 = 245,231.72/x
  3. Step 3: Cross multiply
    406,410.92x = 560,499.54 × 245,231.72
  4. Step 4: Simplify right side
    406,410.92x = 137,452,266,253.41
  5. Step 5: Solve for x
    x = 137,452,266,253.41/406,410.92
  6. Step 6: Final answer
    x = 338,210.07

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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.