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Finding the Fourth Proportional to 295,617.84, 407,799.12 and 188,001

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Solution

The fourth proportional to 295,617.84, 407,799.12 and 188,001 is: 259,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,617.84 : 407,799.12 = 188,001 : x
  2. Step 2: Convert to fraction form
    295,617.84/407,799.12 = 188,001/x
  3. Step 3: Cross multiply
    295,617.84x = 407,799.12 × 188,001
  4. Step 4: Simplify right side
    295,617.84x = 76,666,642,359.12
  5. Step 5: Solve for x
    x = 76,666,642,359.12/295,617.84
  6. Step 6: Final answer
    x = 259,343.76

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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.