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Finding the Fourth Proportional to 719,599.06, 993,062.18 and 397,329.52

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Solution

The fourth proportional to 719,599.06, 993,062.18 and 397,329.52 is: 548,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,599.06 : 993,062.18 = 397,329.52 : x
  2. Step 2: Convert to fraction form
    719,599.06/993,062.18 = 397,329.52/x
  3. Step 3: Cross multiply
    719,599.06x = 993,062.18 × 397,329.52
  4. Step 4: Simplify right side
    719,599.06x = 394,572,919,309.55
  5. Step 5: Solve for x
    x = 394,572,919,309.55/719,599.06
  6. Step 6: Final answer
    x = 548,323.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.