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Finding the Fourth Proportional to 293,591.78, 405,158.73 and 159,455.78

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Solution

The fourth proportional to 293,591.78, 405,158.73 and 159,455.78 is: 220,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,591.78 : 405,158.73 = 159,455.78 : x
  2. Step 2: Convert to fraction form
    293,591.78/405,158.73 = 159,455.78/x
  3. Step 3: Cross multiply
    293,591.78x = 405,158.73 × 159,455.78
  4. Step 4: Simplify right side
    293,591.78x = 64,604,901,315.96
  5. Step 5: Solve for x
    x = 64,604,901,315.96/293,591.78
  6. Step 6: Final answer
    x = 220,050.10

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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.