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Finding the Fourth Proportional to 383,852.51, 575,852.57 and 147,176.73

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Solution

The fourth proportional to 383,852.51, 575,852.57 and 147,176.73 is: 220,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,852.51 : 575,852.57 = 147,176.73 : x
  2. Step 2: Convert to fraction form
    383,852.51/575,852.57 = 147,176.73/x
  3. Step 3: Cross multiply
    383,852.51x = 575,852.57 × 147,176.73
  4. Step 4: Simplify right side
    383,852.51x = 84,752,098,214.70
  5. Step 5: Solve for x
    x = 84,752,098,214.70/383,852.51
  6. Step 6: Final answer
    x = 220,793.39

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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.