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Finding the Fourth Proportional to 324,870.48, 448,330.55 and 181,630.89

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Solution

The fourth proportional to 324,870.48, 448,330.55 and 181,630.89 is: 250,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,870.48 : 448,330.55 = 181,630.89 : x
  2. Step 2: Convert to fraction form
    324,870.48/448,330.55 = 181,630.89/x
  3. Step 3: Cross multiply
    324,870.48x = 448,330.55 × 181,630.89
  4. Step 4: Simplify right side
    324,870.48x = 81,430,675,902.54
  5. Step 5: Solve for x
    x = 81,430,675,902.54/324,870.48
  6. Step 6: Final answer
    x = 250,655.82

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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.