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Finding the Fourth Proportional to 431,251.69, 595,113.39 and 247,520.51

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Solution

The fourth proportional to 431,251.69, 595,113.39 and 247,520.51 is: 341,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,251.69 : 595,113.39 = 247,520.51 : x
  2. Step 2: Convert to fraction form
    431,251.69/595,113.39 = 247,520.51/x
  3. Step 3: Cross multiply
    431,251.69x = 595,113.39 × 247,520.51
  4. Step 4: Simplify right side
    431,251.69x = 147,302,769,800.63
  5. Step 5: Solve for x
    x = 147,302,769,800.63/431,251.69
  6. Step 6: Final answer
    x = 341,570.30

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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.