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Finding the Fourth Proportional to 462,337.10, 638,020.22 and 255,604.61

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Solution

The fourth proportional to 462,337.10, 638,020.22 and 255,604.61 is: 352,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,337.10 : 638,020.22 = 255,604.61 : x
  2. Step 2: Convert to fraction form
    462,337.10/638,020.22 = 255,604.61/x
  3. Step 3: Cross multiply
    462,337.10x = 638,020.22 × 255,604.61
  4. Step 4: Simplify right side
    462,337.10x = 163,080,905,037.09
  5. Step 5: Solve for x
    x = 163,080,905,037.09/462,337.10
  6. Step 6: Final answer
    x = 352,731.60

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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.