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Finding the Fourth Proportional to 322,184.98, 483,298.53 and 85,521.34

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Solution

The fourth proportional to 322,184.98, 483,298.53 and 85,521.34 is: 128,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,184.98 : 483,298.53 = 85,521.34 : x
  2. Step 2: Convert to fraction form
    322,184.98/483,298.53 = 85,521.34/x
  3. Step 3: Cross multiply
    322,184.98x = 483,298.53 × 85,521.34
  4. Step 4: Simplify right side
    322,184.98x = 41,332,337,905.63
  5. Step 5: Solve for x
    x = 41,332,337,905.63/322,184.98
  6. Step 6: Final answer
    x = 128,287.60

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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.