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Finding the Fourth Proportional to 644,698.76, 967,223.12 and 195,434.28

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Solution

The fourth proportional to 644,698.76, 967,223.12 and 195,434.28 is: 293,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,698.76 : 967,223.12 = 195,434.28 : x
  2. Step 2: Convert to fraction form
    644,698.76/967,223.12 = 195,434.28/x
  3. Step 3: Cross multiply
    644,698.76x = 967,223.12 × 195,434.28
  4. Step 4: Simplify right side
    644,698.76x = 189,028,553,079.38
  5. Step 5: Solve for x
    x = 189,028,553,079.38/644,698.76
  6. Step 6: Final answer
    x = 293,204.46

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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.