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Finding the Fourth Proportional to 431,519.58, 595,393.47 and 278,525.37

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Solution

The fourth proportional to 431,519.58, 595,393.47 and 278,525.37 is: 384,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,519.58 : 595,393.47 = 278,525.37 : x
  2. Step 2: Convert to fraction form
    431,519.58/595,393.47 = 278,525.37/x
  3. Step 3: Cross multiply
    431,519.58x = 595,393.47 × 278,525.37
  4. Step 4: Simplify right side
    431,519.58x = 165,832,186,527.33
  5. Step 5: Solve for x
    x = 165,832,186,527.33/431,519.58
  6. Step 6: Final answer
    x = 384,298.17

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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.