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Finding the Fourth Proportional to 437,633.10, 656,449.65 and 437,633.10

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Solution

The fourth proportional to 437,633.10, 656,449.65 and 437,633.10 is: 656,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,633.10 : 656,449.65 = 437,633.10 : x
  2. Step 2: Convert to fraction form
    437,633.10/656,449.65 = 437,633.10/x
  3. Step 3: Cross multiply
    437,633.10x = 656,449.65 × 437,633.10
  4. Step 4: Simplify right side
    437,633.10x = 287,284,095,323.42
  5. Step 5: Solve for x
    x = 287,284,095,323.42/437,633.10
  6. Step 6: Final answer
    x = 656,449.65

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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.