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Finding the Fourth Proportional to 962,945.12, 1,329,486 and 618,934.88

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Solution

The fourth proportional to 962,945.12, 1,329,486 and 618,934.88 is: 854,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,945.12 : 1,329,486 = 618,934.88 : x
  2. Step 2: Convert to fraction form
    962,945.12/1,329,486 = 618,934.88/x
  3. Step 3: Cross multiply
    962,945.12x = 1,329,486 × 618,934.88
  4. Step 4: Simplify right side
    962,945.12x = 822,865,257,871.68
  5. Step 5: Solve for x
    x = 822,865,257,871.68/962,945.12
  6. Step 6: Final answer
    x = 854,529.76

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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.