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Finding the Fourth Proportional to 563,604.68, 777,773.34 and 308,957.69

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Solution

The fourth proportional to 563,604.68, 777,773.34 and 308,957.69 is: 426,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,604.68 : 777,773.34 = 308,957.69 : x
  2. Step 2: Convert to fraction form
    563,604.68/777,773.34 = 308,957.69/x
  3. Step 3: Cross multiply
    563,604.68x = 777,773.34 × 308,957.69
  4. Step 4: Simplify right side
    563,604.68x = 240,299,056,414.42
  5. Step 5: Solve for x
    x = 240,299,056,414.42/563,604.68
  6. Step 6: Final answer
    x = 426,361.00

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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.