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Finding the Fourth Proportional to 613,680.54, 846,898.42 and 338,058.38

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Solution

The fourth proportional to 613,680.54, 846,898.42 and 338,058.38 is: 466,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,680.54 : 846,898.42 = 338,058.38 : x
  2. Step 2: Convert to fraction form
    613,680.54/846,898.42 = 338,058.38/x
  3. Step 3: Cross multiply
    613,680.54x = 846,898.42 × 338,058.38
  4. Step 4: Simplify right side
    613,680.54x = 286,301,101,964.98
  5. Step 5: Solve for x
    x = 286,301,101,964.98/613,680.54
  6. Step 6: Final answer
    x = 466,531.18

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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.