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Finding the Fourth Proportional to 288,212.01, 432,319.29 and 119,732.20

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Solution

The fourth proportional to 288,212.01, 432,319.29 and 119,732.20 is: 179,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,212.01 : 432,319.29 = 119,732.20 : x
  2. Step 2: Convert to fraction form
    288,212.01/432,319.29 = 119,732.20/x
  3. Step 3: Cross multiply
    288,212.01x = 432,319.29 × 119,732.20
  4. Step 4: Simplify right side
    288,212.01x = 51,762,539,694.14
  5. Step 5: Solve for x
    x = 51,762,539,694.14/288,212.01
  6. Step 6: Final answer
    x = 179,598.83

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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.