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Finding the Fourth Proportional to 563,059.94, 777,100.04 and 345,230.10

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Solution

The fourth proportional to 563,059.94, 777,100.04 and 345,230.10 is: 476,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,059.94 : 777,100.04 = 345,230.10 : x
  2. Step 2: Convert to fraction form
    563,059.94/777,100.04 = 345,230.10/x
  3. Step 3: Cross multiply
    563,059.94x = 777,100.04 × 345,230.10
  4. Step 4: Simplify right side
    563,059.94x = 268,278,324,519.20
  5. Step 5: Solve for x
    x = 268,278,324,519.20/563,059.94
  6. Step 6: Final answer
    x = 476,464.95

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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.