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Finding the Fourth Proportional to 457,368.96, 680,517.60 and 445,941.12

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Solution

The fourth proportional to 457,368.96, 680,517.60 and 445,941.12 is: 663,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,368.96 : 680,517.60 = 445,941.12 : x
  2. Step 2: Convert to fraction form
    457,368.96/680,517.60 = 445,941.12/x
  3. Step 3: Cross multiply
    457,368.96x = 680,517.60 × 445,941.12
  4. Step 4: Simplify right side
    457,368.96x = 303,470,780,723.71
  5. Step 5: Solve for x
    x = 303,470,780,723.71/457,368.96
  6. Step 6: Final answer
    x = 663,514.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.