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Finding the Fourth Proportional to 457,725.65, 631,628.25 and 250,960.92

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Solution

The fourth proportional to 457,725.65, 631,628.25 and 250,960.92 is: 346,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,725.65 : 631,628.25 = 250,960.92 : x
  2. Step 2: Convert to fraction form
    457,725.65/631,628.25 = 250,960.92/x
  3. Step 3: Cross multiply
    457,725.65x = 631,628.25 × 250,960.92
  4. Step 4: Simplify right side
    457,725.65x = 158,514,006,717.99
  5. Step 5: Solve for x
    x = 158,514,006,717.99/457,725.65
  6. Step 6: Final answer
    x = 346,307.90

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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.