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Finding the Fourth Proportional to 482,195.55, 723,454.11 and 320,726.17

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Solution

The fourth proportional to 482,195.55, 723,454.11 and 320,726.17 is: 481,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,195.55 : 723,454.11 = 320,726.17 : x
  2. Step 2: Convert to fraction form
    482,195.55/723,454.11 = 320,726.17/x
  3. Step 3: Cross multiply
    482,195.55x = 723,454.11 × 320,726.17
  4. Step 4: Simplify right side
    482,195.55x = 232,030,665,871.06
  5. Step 5: Solve for x
    x = 232,030,665,871.06/482,195.55
  6. Step 6: Final answer
    x = 481,196.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.