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Finding the Fourth Proportional to 684,672.77, 944,530.02 and 443,033.34

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Solution

The fourth proportional to 684,672.77, 944,530.02 and 443,033.34 is: 611,179.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,672.77 : 944,530.02 = 443,033.34 : x
  2. Step 2: Convert to fraction form
    684,672.77/944,530.02 = 443,033.34/x
  3. Step 3: Cross multiply
    684,672.77x = 944,530.02 × 443,033.34
  4. Step 4: Simplify right side
    684,672.77x = 418,458,289,490.87
  5. Step 5: Solve for x
    x = 418,458,289,490.87/684,672.77
  6. Step 6: Final answer
    x = 611,179.98

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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.