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Finding the Fourth Proportional to 656,228.96, 984,425.52 and 256,818.14

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Solution

The fourth proportional to 656,228.96, 984,425.52 and 256,818.14 is: 385,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,228.96 : 984,425.52 = 256,818.14 : x
  2. Step 2: Convert to fraction form
    656,228.96/984,425.52 = 256,818.14/x
  3. Step 3: Cross multiply
    656,228.96x = 984,425.52 × 256,818.14
  4. Step 4: Simplify right side
    656,228.96x = 252,818,331,014.93
  5. Step 5: Solve for x
    x = 252,818,331,014.93/656,228.96
  6. Step 6: Final answer
    x = 385,259.33

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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.