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Finding the Fourth Proportional to 298,261.81, 411,465.33 and 177,334.39

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Solution

The fourth proportional to 298,261.81, 411,465.33 and 177,334.39 is: 244,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,261.81 : 411,465.33 = 177,334.39 : x
  2. Step 2: Convert to fraction form
    298,261.81/411,465.33 = 177,334.39/x
  3. Step 3: Cross multiply
    298,261.81x = 411,465.33 × 177,334.39
  4. Step 4: Simplify right side
    298,261.81x = 72,966,953,301.70
  5. Step 5: Solve for x
    x = 72,966,953,301.70/298,261.81
  6. Step 6: Final answer
    x = 244,640.62

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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.