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Finding the Fourth Proportional to 632,133.76, 871,599.21 and 510,900.15

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Solution

The fourth proportional to 632,133.76, 871,599.21 and 510,900.15 is: 704,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,133.76 : 871,599.21 = 510,900.15 : x
  2. Step 2: Convert to fraction form
    632,133.76/871,599.21 = 510,900.15/x
  3. Step 3: Cross multiply
    632,133.76x = 871,599.21 × 510,900.15
  4. Step 4: Simplify right side
    632,133.76x = 445,300,165,213.01
  5. Step 5: Solve for x
    x = 445,300,165,213.01/632,133.76
  6. Step 6: Final answer
    x = 704,439.78

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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.