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Finding the Fourth Proportional to 664,343.20, 999,139.20 and 596,108.80

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Solution

The fourth proportional to 664,343.20, 999,139.20 and 596,108.80 is: 896,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,343.20 : 999,139.20 = 596,108.80 : x
  2. Step 2: Convert to fraction form
    664,343.20/999,139.20 = 596,108.80/x
  3. Step 3: Cross multiply
    664,343.20x = 999,139.20 × 596,108.80
  4. Step 4: Simplify right side
    664,343.20x = 595,595,669,544.96
  5. Step 5: Solve for x
    x = 595,595,669,544.96/664,343.20
  6. Step 6: Final answer
    x = 896,518.05

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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.