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Finding the Fourth Proportional to 220,467.40, 330,701.10 and 146,595.40

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Solution

The fourth proportional to 220,467.40, 330,701.10 and 146,595.40 is: 219,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,467.40 : 330,701.10 = 146,595.40 : x
  2. Step 2: Convert to fraction form
    220,467.40/330,701.10 = 146,595.40/x
  3. Step 3: Cross multiply
    220,467.40x = 330,701.10 × 146,595.40
  4. Step 4: Simplify right side
    220,467.40x = 48,479,260,034.94
  5. Step 5: Solve for x
    x = 48,479,260,034.94/220,467.40
  6. Step 6: Final answer
    x = 219,893.10

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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.