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Finding the Fourth Proportional to 453,774.65, 626,185.22 and 249,785.73

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Solution

The fourth proportional to 453,774.65, 626,185.22 and 249,785.73 is: 344,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,774.65 : 626,185.22 = 249,785.73 : x
  2. Step 2: Convert to fraction form
    453,774.65/626,185.22 = 249,785.73/x
  3. Step 3: Cross multiply
    453,774.65x = 626,185.22 × 249,785.73
  4. Step 4: Simplify right side
    453,774.65x = 156,412,131,043.98
  5. Step 5: Solve for x
    x = 156,412,131,043.98/453,774.65
  6. Step 6: Final answer
    x = 344,691.21

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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.