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Finding the Fourth Proportional to 334,339.20, 501,573.60 and 144,799.20

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Solution

The fourth proportional to 334,339.20, 501,573.60 and 144,799.20 is: 217,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,339.20 : 501,573.60 = 144,799.20 : x
  2. Step 2: Convert to fraction form
    334,339.20/501,573.60 = 144,799.20/x
  3. Step 3: Cross multiply
    334,339.20x = 501,573.60 × 144,799.20
  4. Step 4: Simplify right side
    334,339.20x = 72,627,456,021.12
  5. Step 5: Solve for x
    x = 72,627,456,021.12/334,339.20
  6. Step 6: Final answer
    x = 217,226.86

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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.