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Finding the Fourth Proportional to 540,269.38, 745,616.64 and 298,599.14

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Solution

The fourth proportional to 540,269.38, 745,616.64 and 298,599.14 is: 412,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,269.38 : 745,616.64 = 298,599.14 : x
  2. Step 2: Convert to fraction form
    540,269.38/745,616.64 = 298,599.14/x
  3. Step 3: Cross multiply
    540,269.38x = 745,616.64 × 298,599.14
  4. Step 4: Simplify right side
    540,269.38x = 222,640,487,473.69
  5. Step 5: Solve for x
    x = 222,640,487,473.69/540,269.38
  6. Step 6: Final answer
    x = 412,091.63

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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.