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Finding the Fourth Proportional to 288,562.23, 432,843.45 and 75,329.54

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Solution

The fourth proportional to 288,562.23, 432,843.45 and 75,329.54 is: 112,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,562.23 : 432,843.45 = 75,329.54 : x
  2. Step 2: Convert to fraction form
    288,562.23/432,843.45 = 75,329.54/x
  3. Step 3: Cross multiply
    288,562.23x = 432,843.45 × 75,329.54
  4. Step 4: Simplify right side
    288,562.23x = 32,605,895,816.30
  5. Step 5: Solve for x
    x = 32,605,895,816.30/288,562.23
  6. Step 6: Final answer
    x = 112,994.33

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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.