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Finding the Fourth Proportional to 614,737.40, 922,235.70 and 259,568.60

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Solution

The fourth proportional to 614,737.40, 922,235.70 and 259,568.60 is: 389,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,737.40 : 922,235.70 = 259,568.60 : x
  2. Step 2: Convert to fraction form
    614,737.40/922,235.70 = 259,568.60/x
  3. Step 3: Cross multiply
    614,737.40x = 922,235.70 × 259,568.60
  4. Step 4: Simplify right side
    614,737.40x = 239,383,429,519.02
  5. Step 5: Solve for x
    x = 239,383,429,519.02/614,737.40
  6. Step 6: Final answer
    x = 389,407.62

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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.