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Finding the Fourth Proportional to 337,112.30, 505,595.55 and 147,572.30

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Solution

The fourth proportional to 337,112.30, 505,595.55 and 147,572.30 is: 221,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,112.30 : 505,595.55 = 147,572.30 : x
  2. Step 2: Convert to fraction form
    337,112.30/505,595.55 = 147,572.30/x
  3. Step 3: Cross multiply
    337,112.30x = 505,595.55 × 147,572.30
  4. Step 4: Simplify right side
    337,112.30x = 74,611,898,183.27
  5. Step 5: Solve for x
    x = 74,611,898,183.27/337,112.30
  6. Step 6: Final answer
    x = 221,326.54

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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.