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Finding the Fourth Proportional to 520,560.12, 780,932.79 and 183,796.29

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Solution

The fourth proportional to 520,560.12, 780,932.79 and 183,796.29 is: 275,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,560.12 : 780,932.79 = 183,796.29 : x
  2. Step 2: Convert to fraction form
    520,560.12/780,932.79 = 183,796.29/x
  3. Step 3: Cross multiply
    520,560.12x = 780,932.79 × 183,796.29
  4. Step 4: Simplify right side
    520,560.12x = 143,532,549,541.35
  5. Step 5: Solve for x
    x = 143,532,549,541.35/520,560.12
  6. Step 6: Final answer
    x = 275,727.13

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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.