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Finding the Fourth Proportional to 724,501.44, 999,198 and 466,423.20

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Solution

The fourth proportional to 724,501.44, 999,198 and 466,423.20 is: 643,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,501.44 : 999,198 = 466,423.20 : x
  2. Step 2: Convert to fraction form
    724,501.44/999,198 = 466,423.20/x
  3. Step 3: Cross multiply
    724,501.44x = 999,198 × 466,423.20
  4. Step 4: Simplify right side
    724,501.44x = 466,049,128,593.60
  5. Step 5: Solve for x
    x = 466,049,128,593.60/724,501.44
  6. Step 6: Final answer
    x = 643,268.74

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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.