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Finding the Fourth Proportional to 614,841.40, 922,391.70 and 259,672.60

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Solution

The fourth proportional to 614,841.40, 922,391.70 and 259,672.60 is: 389,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,841.40 : 922,391.70 = 259,672.60 : x
  2. Step 2: Convert to fraction form
    614,841.40/922,391.70 = 259,672.60/x
  3. Step 3: Cross multiply
    614,841.40x = 922,391.70 × 259,672.60
  4. Step 4: Simplify right side
    614,841.40x = 239,519,850,957.42
  5. Step 5: Solve for x
    x = 239,519,850,957.42/614,841.40
  6. Step 6: Final answer
    x = 389,563.64

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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.