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Finding the Fourth Proportional to 301,340.42, 415,911.31 and 173,998.70

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Solution

The fourth proportional to 301,340.42, 415,911.31 and 173,998.70 is: 240,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,340.42 : 415,911.31 = 173,998.70 : x
  2. Step 2: Convert to fraction form
    301,340.42/415,911.31 = 173,998.70/x
  3. Step 3: Cross multiply
    301,340.42x = 415,911.31 × 173,998.70
  4. Step 4: Simplify right side
    301,340.42x = 72,368,025,345.53
  5. Step 5: Solve for x
    x = 72,368,025,345.53/301,340.42
  6. Step 6: Final answer
    x = 240,153.73

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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.