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Finding the Fourth Proportional to 723,334.22, 998,459.55 and 493,727.16

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Solution

The fourth proportional to 723,334.22, 998,459.55 and 493,727.16 is: 681,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,334.22 : 998,459.55 = 493,727.16 : x
  2. Step 2: Convert to fraction form
    723,334.22/998,459.55 = 493,727.16/x
  3. Step 3: Cross multiply
    723,334.22x = 998,459.55 × 493,727.16
  4. Step 4: Simplify right side
    723,334.22x = 492,966,597,996.38
  5. Step 5: Solve for x
    x = 492,966,597,996.38/723,334.22
  6. Step 6: Final answer
    x = 681,519.81

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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.