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Finding the Fourth Proportional to 540,616.76, 746,021.04 and 298,885.22

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Solution

The fourth proportional to 540,616.76, 746,021.04 and 298,885.22 is: 412,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,616.76 : 746,021.04 = 298,885.22 : x
  2. Step 2: Convert to fraction form
    540,616.76/746,021.04 = 298,885.22/x
  3. Step 3: Cross multiply
    540,616.76x = 746,021.04 × 298,885.22
  4. Step 4: Simplify right side
    540,616.76x = 222,974,662,665.03
  5. Step 5: Solve for x
    x = 222,974,662,665.03/540,616.76
  6. Step 6: Final answer
    x = 412,444.97

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Double scale
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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.