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Finding the Fourth Proportional to 308,602.08, 425,867.04 and 181,289.28

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Solution

The fourth proportional to 308,602.08, 425,867.04 and 181,289.28 is: 250,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,602.08 : 425,867.04 = 181,289.28 : x
  2. Step 2: Convert to fraction form
    308,602.08/425,867.04 = 181,289.28/x
  3. Step 3: Cross multiply
    308,602.08x = 425,867.04 × 181,289.28
  4. Step 4: Simplify right side
    308,602.08x = 77,205,129,057.33
  5. Step 5: Solve for x
    x = 77,205,129,057.33/308,602.08
  6. Step 6: Final answer
    x = 250,176.96

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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.