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Finding the Fourth Proportional to 457,195.89, 630,923.66 and 253,246.14

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Solution

The fourth proportional to 457,195.89, 630,923.66 and 253,246.14 is: 349,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,195.89 : 630,923.66 = 253,246.14 : x
  2. Step 2: Convert to fraction form
    457,195.89/630,923.66 = 253,246.14/x
  3. Step 3: Cross multiply
    457,195.89x = 630,923.66 × 253,246.14
  4. Step 4: Simplify right side
    457,195.89x = 159,778,981,529.67
  5. Step 5: Solve for x
    x = 159,778,981,529.67/457,195.89
  6. Step 6: Final answer
    x = 349,475.98

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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.