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Finding the Fourth Proportional to 977,906.80, 1,465,693.80 and 504,348.40

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Solution

The fourth proportional to 977,906.80, 1,465,693.80 and 504,348.40 is: 755,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,906.80 : 1,465,693.80 = 504,348.40 : x
  2. Step 2: Convert to fraction form
    977,906.80/1,465,693.80 = 504,348.40/x
  3. Step 3: Cross multiply
    977,906.80x = 1,465,693.80 × 504,348.40
  4. Step 4: Simplify right side
    977,906.80x = 739,220,322,919.92
  5. Step 5: Solve for x
    x = 739,220,322,919.92/977,906.80
  6. Step 6: Final answer
    x = 755,921.04

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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.