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Finding the Fourth Proportional to 431,162.32, 595,017.48 and 247,434.48

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Solution

The fourth proportional to 431,162.32, 595,017.48 and 247,434.48 is: 341,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,162.32 : 595,017.48 = 247,434.48 : x
  2. Step 2: Convert to fraction form
    431,162.32/595,017.48 = 247,434.48/x
  3. Step 3: Cross multiply
    431,162.32x = 595,017.48 × 247,434.48
  4. Step 4: Simplify right side
    431,162.32x = 147,227,840,754.71
  5. Step 5: Solve for x
    x = 147,227,840,754.71/431,162.32
  6. Step 6: Final answer
    x = 341,467.32

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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.