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Finding the Fourth Proportional to 644,953.46, 967,432.47 and 195,678.14

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Solution

The fourth proportional to 644,953.46, 967,432.47 and 195,678.14 is: 293,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,953.46 : 967,432.47 = 195,678.14 : x
  2. Step 2: Convert to fraction form
    644,953.46/967,432.47 = 195,678.14/x
  3. Step 3: Cross multiply
    644,953.46x = 967,432.47 × 195,678.14
  4. Step 4: Simplify right side
    644,953.46x = 189,305,386,305.21
  5. Step 5: Solve for x
    x = 189,305,386,305.21/644,953.46
  6. Step 6: Final answer
    x = 293,517.90

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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.