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Finding the Fourth Proportional to 665,015.16, 997,920.18 and 244,333.56

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Solution

The fourth proportional to 665,015.16, 997,920.18 and 244,333.56 is: 366,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,015.16 : 997,920.18 = 244,333.56 : x
  2. Step 2: Convert to fraction form
    665,015.16/997,920.18 = 244,333.56/x
  3. Step 3: Cross multiply
    665,015.16x = 997,920.18 × 244,333.56
  4. Step 4: Simplify right side
    665,015.16x = 243,825,390,175.24
  5. Step 5: Solve for x
    x = 243,825,390,175.24/665,015.16
  6. Step 6: Final answer
    x = 366,646.36

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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.