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Finding the Fourth Proportional to 520,560.88, 780,933.92 and 183,797.06

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Solution

The fourth proportional to 520,560.88, 780,933.92 and 183,797.06 is: 275,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,560.88 : 780,933.92 = 183,797.06 : x
  2. Step 2: Convert to fraction form
    520,560.88/780,933.92 = 183,797.06/x
  3. Step 3: Cross multiply
    520,560.88x = 780,933.92 × 183,797.06
  4. Step 4: Simplify right side
    520,560.88x = 143,533,353,726.62
  5. Step 5: Solve for x
    x = 143,533,353,726.62/520,560.88
  6. Step 6: Final answer
    x = 275,728.28

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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.