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Finding the Fourth Proportional to 563,659.58, 777,847.33 and 305,535.53

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Solution

The fourth proportional to 563,659.58, 777,847.33 and 305,535.53 is: 421,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,659.58 : 777,847.33 = 305,535.53 : x
  2. Step 2: Convert to fraction form
    563,659.58/777,847.33 = 305,535.53/x
  3. Step 3: Cross multiply
    563,659.58x = 777,847.33 × 305,535.53
  4. Step 4: Simplify right side
    563,659.58x = 237,659,996,230.64
  5. Step 5: Solve for x
    x = 237,659,996,230.64/563,659.58
  6. Step 6: Final answer
    x = 421,637.46

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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.