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Finding the Fourth Proportional to 346,818.20, 520,227.30 and 97,500.20

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Solution

The fourth proportional to 346,818.20, 520,227.30 and 97,500.20 is: 146,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,818.20 : 520,227.30 = 97,500.20 : x
  2. Step 2: Convert to fraction form
    346,818.20/520,227.30 = 97,500.20/x
  3. Step 3: Cross multiply
    346,818.20x = 520,227.30 × 97,500.20
  4. Step 4: Simplify right side
    346,818.20x = 50,722,263,194.32
  5. Step 5: Solve for x
    x = 50,722,263,194.32/346,818.20
  6. Step 6: Final answer
    x = 146,250.29

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Similar ratio
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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.