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Finding the Fourth Proportional to 452,470.72, 624,438.48 and 251,266.72

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Solution

The fourth proportional to 452,470.72, 624,438.48 and 251,266.72 is: 346,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,470.72 : 624,438.48 = 251,266.72 : x
  2. Step 2: Convert to fraction form
    452,470.72/624,438.48 = 251,266.72/x
  3. Step 3: Cross multiply
    452,470.72x = 624,438.48 × 251,266.72
  4. Step 4: Simplify right side
    452,470.72x = 156,900,608,711.39
  5. Step 5: Solve for x
    x = 156,900,608,711.39/452,470.72
  6. Step 6: Final answer
    x = 346,764.11

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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.