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Finding the Fourth Proportional to 295,718.82, 408,091.56 and 168,394.40

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Solution

The fourth proportional to 295,718.82, 408,091.56 and 168,394.40 is: 232,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,718.82 : 408,091.56 = 168,394.40 : x
  2. Step 2: Convert to fraction form
    295,718.82/408,091.56 = 168,394.40/x
  3. Step 3: Cross multiply
    295,718.82x = 408,091.56 × 168,394.40
  4. Step 4: Simplify right side
    295,718.82x = 68,720,333,391.26
  5. Step 5: Solve for x
    x = 68,720,333,391.26/295,718.82
  6. Step 6: Final answer
    x = 232,384.04

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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.