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Finding the Fourth Proportional to 501,421.32, 751,424.85 and 276,882.84

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Solution

The fourth proportional to 501,421.32, 751,424.85 and 276,882.84 is: 414,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,421.32 : 751,424.85 = 276,882.84 : x
  2. Step 2: Convert to fraction form
    501,421.32/751,424.85 = 276,882.84/x
  3. Step 3: Cross multiply
    501,421.32x = 751,424.85 × 276,882.84
  4. Step 4: Simplify right side
    501,421.32x = 208,056,646,514.57
  5. Step 5: Solve for x
    x = 208,056,646,514.57/501,421.32
  6. Step 6: Final answer
    x = 414,933.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.