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Finding the Fourth Proportional to 326,159.31, 488,602.31 and 224,718.05

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Solution

The fourth proportional to 326,159.31, 488,602.31 and 224,718.05 is: 336,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,159.31 : 488,602.31 = 224,718.05 : x
  2. Step 2: Convert to fraction form
    326,159.31/488,602.31 = 224,718.05/x
  3. Step 3: Cross multiply
    326,159.31x = 488,602.31 × 224,718.05
  4. Step 4: Simplify right side
    326,159.31x = 109,797,759,269.30
  5. Step 5: Solve for x
    x = 109,797,759,269.30/326,159.31
  6. Step 6: Final answer
    x = 336,638.43

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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.