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Finding the Fourth Proportional to 288,177.89, 432,266.83 and 147,847.01

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Solution

The fourth proportional to 288,177.89, 432,266.83 and 147,847.01 is: 221,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,177.89 : 432,266.83 = 147,847.01 : x
  2. Step 2: Convert to fraction form
    288,177.89/432,266.83 = 147,847.01/x
  3. Step 3: Cross multiply
    288,177.89x = 432,266.83 × 147,847.01
  4. Step 4: Simplify right side
    288,177.89x = 63,909,355,806.73
  5. Step 5: Solve for x
    x = 63,909,355,806.73/288,177.89
  6. Step 6: Final answer
    x = 221,770.51

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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.