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Finding the Fourth Proportional to 317,118, 437,582.73 and 173,840.34

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Solution

The fourth proportional to 317,118, 437,582.73 and 173,840.34 is: 239,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,118 : 437,582.73 = 173,840.34 : x
  2. Step 2: Convert to fraction form
    317,118/437,582.73 = 173,840.34/x
  3. Step 3: Cross multiply
    317,118x = 437,582.73 × 173,840.34
  4. Step 4: Simplify right side
    317,118x = 76,069,530,561.33
  5. Step 5: Solve for x
    x = 76,069,530,561.33/317,118
  6. Step 6: Final answer
    x = 239,877.68

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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.