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Finding the Fourth Proportional to 219,330.70, 328,996.05 and 166,842.70

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Solution

The fourth proportional to 219,330.70, 328,996.05 and 166,842.70 is: 250,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,330.70 : 328,996.05 = 166,842.70 : x
  2. Step 2: Convert to fraction form
    219,330.70/328,996.05 = 166,842.70/x
  3. Step 3: Cross multiply
    219,330.70x = 328,996.05 × 166,842.70
  4. Step 4: Simplify right side
    219,330.70x = 54,890,589,271.34
  5. Step 5: Solve for x
    x = 54,890,589,271.34/219,330.70
  6. Step 6: Final answer
    x = 250,264.05

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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.