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Finding the Fourth Proportional to 561,670.08, 842,618.04 and 206,685.96

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Solution

The fourth proportional to 561,670.08, 842,618.04 and 206,685.96 is: 310,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,670.08 : 842,618.04 = 206,685.96 : x
  2. Step 2: Convert to fraction form
    561,670.08/842,618.04 = 206,685.96/x
  3. Step 3: Cross multiply
    561,670.08x = 842,618.04 × 206,685.96
  4. Step 4: Simplify right side
    561,670.08x = 174,157,318,510.72
  5. Step 5: Solve for x
    x = 174,157,318,510.72/561,670.08
  6. Step 6: Final answer
    x = 310,070.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.