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Finding the Fourth Proportional to 453,471.60, 679,834.92 and 310,923.12

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Solution

The fourth proportional to 453,471.60, 679,834.92 and 310,923.12 is: 466,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,471.60 : 679,834.92 = 310,923.12 : x
  2. Step 2: Convert to fraction form
    453,471.60/679,834.92 = 310,923.12/x
  3. Step 3: Cross multiply
    453,471.60x = 679,834.92 × 310,923.12
  4. Step 4: Simplify right side
    453,471.60x = 211,376,394,411.35
  5. Step 5: Solve for x
    x = 211,376,394,411.35/453,471.60
  6. Step 6: Final answer
    x = 466,129.29

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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.