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Finding the Fourth Proportional to 354,585.33, 489,340.08 and 193,449.24

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Solution

The fourth proportional to 354,585.33, 489,340.08 and 193,449.24 is: 266,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,585.33 : 489,340.08 = 193,449.24 : x
  2. Step 2: Convert to fraction form
    354,585.33/489,340.08 = 193,449.24/x
  3. Step 3: Cross multiply
    354,585.33x = 489,340.08 × 193,449.24
  4. Step 4: Simplify right side
    354,585.33x = 94,662,466,577.54
  5. Step 5: Solve for x
    x = 94,662,466,577.54/354,585.33
  6. Step 6: Final answer
    x = 266,966.68

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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.