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Finding the Fourth Proportional to 333,660.65, 500,253.20 and 156,070.85

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Solution

The fourth proportional to 333,660.65, 500,253.20 and 156,070.85 is: 233,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,660.65 : 500,253.20 = 156,070.85 : x
  2. Step 2: Convert to fraction form
    333,660.65/500,253.20 = 156,070.85/x
  3. Step 3: Cross multiply
    333,660.65x = 500,253.20 × 156,070.85
  4. Step 4: Simplify right side
    333,660.65x = 78,074,941,358.87
  5. Step 5: Solve for x
    x = 78,074,941,358.87/333,660.65
  6. Step 6: Final answer
    x = 233,995.05

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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.