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Finding the Fourth Proportional to 344,344.45, 475,251.74 and 286,892.66

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Solution

The fourth proportional to 344,344.45, 475,251.74 and 286,892.66 is: 395,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,344.45 : 475,251.74 = 286,892.66 : x
  2. Step 2: Convert to fraction form
    344,344.45/475,251.74 = 286,892.66/x
  3. Step 3: Cross multiply
    344,344.45x = 475,251.74 × 286,892.66
  4. Step 4: Simplify right side
    344,344.45x = 136,346,232,047.51
  5. Step 5: Solve for x
    x = 136,346,232,047.51/344,344.45
  6. Step 6: Final answer
    x = 395,958.85

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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.