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Finding the Fourth Proportional to 233,165.70, 349,748.55 and 220,043.70

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Solution

The fourth proportional to 233,165.70, 349,748.55 and 220,043.70 is: 330,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,165.70 : 349,748.55 = 220,043.70 : x
  2. Step 2: Convert to fraction form
    233,165.70/349,748.55 = 220,043.70/x
  3. Step 3: Cross multiply
    233,165.70x = 349,748.55 × 220,043.70
  4. Step 4: Simplify right side
    233,165.70x = 76,959,965,011.64
  5. Step 5: Solve for x
    x = 76,959,965,011.64/233,165.70
  6. Step 6: Final answer
    x = 330,065.55

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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.