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Finding the Fourth Proportional to 453,904.71, 680,857.25 and 453,248.79

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Solution

The fourth proportional to 453,904.71, 680,857.25 and 453,248.79 is: 679,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,904.71 : 680,857.25 = 453,248.79 : x
  2. Step 2: Convert to fraction form
    453,904.71/680,857.25 = 453,248.79/x
  3. Step 3: Cross multiply
    453,904.71x = 680,857.25 × 453,248.79
  4. Step 4: Simplify right side
    453,904.71x = 308,597,722,458.98
  5. Step 5: Solve for x
    x = 308,597,722,458.98/453,904.71
  6. Step 6: Final answer
    x = 679,873.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.