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Finding the Fourth Proportional to 323,523.48, 485,267.56 and 98,883.84

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Solution

The fourth proportional to 323,523.48, 485,267.56 and 98,883.84 is: 148,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,523.48 : 485,267.56 = 98,883.84 : x
  2. Step 2: Convert to fraction form
    323,523.48/485,267.56 = 98,883.84/x
  3. Step 3: Cross multiply
    323,523.48x = 485,267.56 × 98,883.84
  4. Step 4: Simplify right side
    323,523.48x = 47,985,119,760.23
  5. Step 5: Solve for x
    x = 47,985,119,760.23/323,523.48
  6. Step 6: Final answer
    x = 148,320.36

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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.