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Finding the Fourth Proportional to 288,315.92, 432,289.08 and 119,953.04

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Solution

The fourth proportional to 288,315.92, 432,289.08 and 119,953.04 is: 179,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,315.92 : 432,289.08 = 119,953.04 : x
  2. Step 2: Convert to fraction form
    288,315.92/432,289.08 = 119,953.04/x
  3. Step 3: Cross multiply
    288,315.92x = 432,289.08 × 119,953.04
  4. Step 4: Simplify right side
    288,315.92x = 51,854,389,304.80
  5. Step 5: Solve for x
    x = 51,854,389,304.80/288,315.92
  6. Step 6: Final answer
    x = 179,852.67

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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.