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Finding the Fourth Proportional to 451,544.70, 623,159.64 and 250,340.70

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Solution

The fourth proportional to 451,544.70, 623,159.64 and 250,340.70 is: 345,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,544.70 : 623,159.64 = 250,340.70 : x
  2. Step 2: Convert to fraction form
    451,544.70/623,159.64 = 250,340.70/x
  3. Step 3: Cross multiply
    451,544.70x = 623,159.64 × 250,340.70
  4. Step 4: Simplify right side
    451,544.70x = 156,002,220,489.35
  5. Step 5: Solve for x
    x = 156,002,220,489.35/451,544.70
  6. Step 6: Final answer
    x = 345,485.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.