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Finding the Fourth Proportional to 288,048.70, 432,073.05 and 101,079.10

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Solution

The fourth proportional to 288,048.70, 432,073.05 and 101,079.10 is: 151,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,048.70 : 432,073.05 = 101,079.10 : x
  2. Step 2: Convert to fraction form
    288,048.70/432,073.05 = 101,079.10/x
  3. Step 3: Cross multiply
    288,048.70x = 432,073.05 × 101,079.10
  4. Step 4: Simplify right side
    288,048.70x = 43,673,555,028.26
  5. Step 5: Solve for x
    x = 43,673,555,028.26/288,048.70
  6. Step 6: Final answer
    x = 151,618.65

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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.