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Finding the Fourth Proportional to 304,517, 420,234.39 and 168,560.39

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Solution

The fourth proportional to 304,517, 420,234.39 and 168,560.39 is: 232,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,517 : 420,234.39 = 168,560.39 : x
  2. Step 2: Convert to fraction form
    304,517/420,234.39 = 168,560.39/x
  3. Step 3: Cross multiply
    304,517x = 420,234.39 × 168,560.39
  4. Step 4: Simplify right side
    304,517x = 70,834,872,669.81
  5. Step 5: Solve for x
    x = 70,834,872,669.81/304,517
  6. Step 6: Final answer
    x = 232,613.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.