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Finding the Fourth Proportional to 501,169.20, 751,421.70 and 276,637.20

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Solution

The fourth proportional to 501,169.20, 751,421.70 and 276,637.20 is: 414,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,169.20 : 751,421.70 = 276,637.20 : x
  2. Step 2: Convert to fraction form
    501,169.20/751,421.70 = 276,637.20/x
  3. Step 3: Cross multiply
    501,169.20x = 751,421.70 × 276,637.20
  4. Step 4: Simplify right side
    501,169.20x = 207,871,195,107.24
  5. Step 5: Solve for x
    x = 207,871,195,107.24/501,169.20
  6. Step 6: Final answer
    x = 414,772.49

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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.