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Finding the Fourth Proportional to 613,695.36, 846,886.37 and 338,060.93

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Solution

The fourth proportional to 613,695.36, 846,886.37 and 338,060.93 is: 466,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,695.36 : 846,886.37 = 338,060.93 : x
  2. Step 2: Convert to fraction form
    613,695.36/846,886.37 = 338,060.93/x
  3. Step 3: Cross multiply
    613,695.36x = 846,886.37 × 338,060.93
  4. Step 4: Simplify right side
    613,695.36x = 286,299,187,921.79
  5. Step 5: Solve for x
    x = 286,299,187,921.79/613,695.36
  6. Step 6: Final answer
    x = 466,516.78

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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.