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Finding the Fourth Proportional to 323,525.88, 485,288.86 and 98,886.96

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Solution

The fourth proportional to 323,525.88, 485,288.86 and 98,886.96 is: 148,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,525.88 : 485,288.86 = 98,886.96 : x
  2. Step 2: Convert to fraction form
    323,525.88/485,288.86 = 98,886.96/x
  3. Step 3: Cross multiply
    323,525.88x = 485,288.86 × 98,886.96
  4. Step 4: Simplify right side
    323,525.88x = 47,988,740,087.27
  5. Step 5: Solve for x
    x = 47,988,740,087.27/323,525.88
  6. Step 6: Final answer
    x = 148,330.45

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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.