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Finding the Fourth Proportional to 452,722.91, 624,744.56 and 256,471.10

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Solution

The fourth proportional to 452,722.91, 624,744.56 and 256,471.10 is: 353,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,722.91 : 624,744.56 = 256,471.10 : x
  2. Step 2: Convert to fraction form
    452,722.91/624,744.56 = 256,471.10/x
  3. Step 3: Cross multiply
    452,722.91x = 624,744.56 × 256,471.10
  4. Step 4: Simplify right side
    452,722.91x = 160,228,924,522.22
  5. Step 5: Solve for x
    x = 160,228,924,522.22/452,722.91
  6. Step 6: Final answer
    x = 353,922.72

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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.