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Finding the Fourth Proportional to 481,456.32, 665,101.80 and 384,532.92

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Solution

The fourth proportional to 481,456.32, 665,101.80 and 384,532.92 is: 531,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,456.32 : 665,101.80 = 384,532.92 : x
  2. Step 2: Convert to fraction form
    481,456.32/665,101.80 = 384,532.92/x
  3. Step 3: Cross multiply
    481,456.32x = 665,101.80 × 384,532.92
  4. Step 4: Simplify right side
    481,456.32x = 255,753,537,251.26
  5. Step 5: Solve for x
    x = 255,753,537,251.26/481,456.32
  6. Step 6: Final answer
    x = 531,208.18

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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.