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Finding the Fourth Proportional to 969,416, 1,337,897.76 and 567,344.96

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Solution

The fourth proportional to 969,416, 1,337,897.76 and 567,344.96 is: 782,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,416 : 1,337,897.76 = 567,344.96 : x
  2. Step 2: Convert to fraction form
    969,416/1,337,897.76 = 567,344.96/x
  3. Step 3: Cross multiply
    969,416x = 1,337,897.76 × 567,344.96
  4. Step 4: Simplify right side
    969,416x = 759,049,551,131.29
  5. Step 5: Solve for x
    x = 759,049,551,131.29/969,416
  6. Step 6: Final answer
    x = 782,996.72

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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.