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Finding the Fourth Proportional to 518,601.80, 777,591.54 and 202,682.36

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Solution

The fourth proportional to 518,601.80, 777,591.54 and 202,682.36 is: 303,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,601.80 : 777,591.54 = 202,682.36 : x
  2. Step 2: Convert to fraction form
    518,601.80/777,591.54 = 202,682.36/x
  3. Step 3: Cross multiply
    518,601.80x = 777,591.54 × 202,682.36
  4. Step 4: Simplify right side
    518,601.80x = 157,604,088,443.23
  5. Step 5: Solve for x
    x = 157,604,088,443.23/518,601.80
  6. Step 6: Final answer
    x = 303,901.93

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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.