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Finding the Fourth Proportional to 519,560.40, 777,785.40 and 463,573.20

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Solution

The fourth proportional to 519,560.40, 777,785.40 and 463,573.20 is: 693,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,560.40 : 777,785.40 = 463,573.20 : x
  2. Step 2: Convert to fraction form
    519,560.40/777,785.40 = 463,573.20/x
  3. Step 3: Cross multiply
    519,560.40x = 777,785.40 × 463,573.20
  4. Step 4: Simplify right side
    519,560.40x = 360,560,466,791.28
  5. Step 5: Solve for x
    x = 360,560,466,791.28/519,560.40
  6. Step 6: Final answer
    x = 693,972.19

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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.