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Finding the Fourth Proportional to 437,652.20, 603,959.55 and 236,448.20

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Solution

The fourth proportional to 437,652.20, 603,959.55 and 236,448.20 is: 326,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,652.20 : 603,959.55 = 236,448.20 : x
  2. Step 2: Convert to fraction form
    437,652.20/603,959.55 = 236,448.20/x
  3. Step 3: Cross multiply
    437,652.20x = 603,959.55 × 236,448.20
  4. Step 4: Simplify right side
    437,652.20x = 142,805,148,470.31
  5. Step 5: Solve for x
    x = 142,805,148,470.31/437,652.20
  6. Step 6: Final answer
    x = 326,298.25

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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.