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Finding the Fourth Proportional to 454,275.69, 626,900.52 and 263,399.82

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Solution

The fourth proportional to 454,275.69, 626,900.52 and 263,399.82 is: 363,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,275.69 : 626,900.52 = 263,399.82 : x
  2. Step 2: Convert to fraction form
    454,275.69/626,900.52 = 263,399.82/x
  3. Step 3: Cross multiply
    454,275.69x = 626,900.52 × 263,399.82
  4. Step 4: Simplify right side
    454,275.69x = 165,125,484,125.91
  5. Step 5: Solve for x
    x = 165,125,484,125.91/454,275.69
  6. Step 6: Final answer
    x = 363,491.79

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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.