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Finding the Fourth Proportional to 425,031.44, 586,520.72 and 243,734.56

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Solution

The fourth proportional to 425,031.44, 586,520.72 and 243,734.56 is: 336,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,031.44 : 586,520.72 = 243,734.56 : x
  2. Step 2: Convert to fraction form
    425,031.44/586,520.72 = 243,734.56/x
  3. Step 3: Cross multiply
    425,031.44x = 586,520.72 × 243,734.56
  4. Step 4: Simplify right side
    425,031.44x = 142,955,369,620.08
  5. Step 5: Solve for x
    x = 142,955,369,620.08/425,031.44
  6. Step 6: Final answer
    x = 336,340.69

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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.