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Finding the Fourth Proportional to 613,362.87, 919,182.87 and 522,937.94

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Solution

The fourth proportional to 613,362.87, 919,182.87 and 522,937.94 is: 783,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,362.87 : 919,182.87 = 522,937.94 : x
  2. Step 2: Convert to fraction form
    613,362.87/919,182.87 = 522,937.94/x
  3. Step 3: Cross multiply
    613,362.87x = 919,182.87 × 522,937.94
  4. Step 4: Simplify right side
    613,362.87x = 480,675,591,925.17
  5. Step 5: Solve for x
    x = 480,675,591,925.17/613,362.87
  6. Step 6: Final answer
    x = 783,672.46

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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.