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Finding the Fourth Proportional to 579,410.56, 869,307 and 224,426.44

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Solution

The fourth proportional to 579,410.56, 869,307 and 224,426.44 is: 336,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,410.56 : 869,307 = 224,426.44 : x
  2. Step 2: Convert to fraction form
    579,410.56/869,307 = 224,426.44/x
  3. Step 3: Cross multiply
    579,410.56x = 869,307 × 224,426.44
  4. Step 4: Simplify right side
    579,410.56x = 195,095,475,277.08
  5. Step 5: Solve for x
    x = 195,095,475,277.08/579,410.56
  6. Step 6: Final answer
    x = 336,713.70

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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.