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Finding the Fourth Proportional to 625,484.24, 863,538.12 and 410,999.76

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Solution

The fourth proportional to 625,484.24, 863,538.12 and 410,999.76 is: 567,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,484.24 : 863,538.12 = 410,999.76 : x
  2. Step 2: Convert to fraction form
    625,484.24/863,538.12 = 410,999.76/x
  3. Step 3: Cross multiply
    625,484.24x = 863,538.12 × 410,999.76
  4. Step 4: Simplify right side
    625,484.24x = 354,913,960,070.85
  5. Step 5: Solve for x
    x = 354,913,960,070.85/625,484.24
  6. Step 6: Final answer
    x = 567,422.71

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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.