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Finding the Fourth Proportional to 344,343.32, 475,250.18 and 286,891.53

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Solution

The fourth proportional to 344,343.32, 475,250.18 and 286,891.53 is: 395,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,343.32 : 475,250.18 = 286,891.53 : x
  2. Step 2: Convert to fraction form
    344,343.32/475,250.18 = 286,891.53/x
  3. Step 3: Cross multiply
    344,343.32x = 475,250.18 × 286,891.53
  4. Step 4: Simplify right side
    344,343.32x = 136,345,251,272.98
  5. Step 5: Solve for x
    x = 136,345,251,272.98/344,343.32
  6. Step 6: Final answer
    x = 395,957.30

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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.