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Finding the Fourth Proportional to 644,893.02, 967,341.78 and 195,617.76

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Solution

The fourth proportional to 644,893.02, 967,341.78 and 195,617.76 is: 293,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,893.02 : 967,341.78 = 195,617.76 : x
  2. Step 2: Convert to fraction form
    644,893.02/967,341.78 = 195,617.76/x
  3. Step 3: Cross multiply
    644,893.02x = 967,341.78 × 195,617.76
  4. Step 4: Simplify right side
    644,893.02x = 189,229,232,158.01
  5. Step 5: Solve for x
    x = 189,229,232,158.01/644,893.02
  6. Step 6: Final answer
    x = 293,427.32

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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.