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Finding the Fourth Proportional to 969,195.60, 1,455,348.60 and 655,045.20

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Solution

The fourth proportional to 969,195.60, 1,455,348.60 and 655,045.20 is: 983,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,195.60 : 1,455,348.60 = 655,045.20 : x
  2. Step 2: Convert to fraction form
    969,195.60/1,455,348.60 = 655,045.20/x
  3. Step 3: Cross multiply
    969,195.60x = 1,455,348.60 × 655,045.20
  4. Step 4: Simplify right side
    969,195.60x = 953,319,114,756.72
  5. Step 5: Solve for x
    x = 953,319,114,756.72/969,195.60
  6. Step 6: Final answer
    x = 983,618.90

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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.