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Finding the Fourth Proportional to 333,179.20, 499,842.32 and 155,588.72

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Solution

The fourth proportional to 333,179.20, 499,842.32 and 155,588.72 is: 233,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,179.20 : 499,842.32 = 155,588.72 : x
  2. Step 2: Convert to fraction form
    333,179.20/499,842.32 = 155,588.72/x
  3. Step 3: Cross multiply
    333,179.20x = 499,842.32 × 155,588.72
  4. Step 4: Simplify right side
    333,179.20x = 77,769,826,770.63
  5. Step 5: Solve for x
    x = 77,769,826,770.63/333,179.20
  6. Step 6: Final answer
    x = 233,417.41

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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.