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Finding the Fourth Proportional to 354,957.96, 489,852.08 and 193,823.24

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Solution

The fourth proportional to 354,957.96, 489,852.08 and 193,823.24 is: 267,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,957.96 : 489,852.08 = 193,823.24 : x
  2. Step 2: Convert to fraction form
    354,957.96/489,852.08 = 193,823.24/x
  3. Step 3: Cross multiply
    354,957.96x = 489,852.08 × 193,823.24
  4. Step 4: Simplify right side
    354,957.96x = 94,944,717,266.34
  5. Step 5: Solve for x
    x = 94,944,717,266.34/354,957.96
  6. Step 6: Final answer
    x = 267,481.58

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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.