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Finding the Fourth Proportional to 618,566.49, 927,994.98 and 192,080.30

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Solution

The fourth proportional to 618,566.49, 927,994.98 and 192,080.30 is: 288,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,566.49 : 927,994.98 = 192,080.30 : x
  2. Step 2: Convert to fraction form
    618,566.49/927,994.98 = 192,080.30/x
  3. Step 3: Cross multiply
    618,566.49x = 927,994.98 × 192,080.30
  4. Step 4: Simplify right side
    618,566.49x = 178,249,549,516.92
  5. Step 5: Solve for x
    x = 178,249,549,516.92/618,566.49
  6. Step 6: Final answer
    x = 288,165.54

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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.