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Finding the Fourth Proportional to 308,600.44, 425,815.05 and 181,302.46

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Solution

The fourth proportional to 308,600.44, 425,815.05 and 181,302.46 is: 250,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,600.44 : 425,815.05 = 181,302.46 : x
  2. Step 2: Convert to fraction form
    308,600.44/425,815.05 = 181,302.46/x
  3. Step 3: Cross multiply
    308,600.44x = 425,815.05 × 181,302.46
  4. Step 4: Simplify right side
    308,600.44x = 77,201,316,070.02
  5. Step 5: Solve for x
    x = 77,201,316,070.02/308,600.44
  6. Step 6: Final answer
    x = 250,165.93

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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.