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Finding the Fourth Proportional to 366,227.80, 548,904.30 and 188,643.40

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Solution

The fourth proportional to 366,227.80, 548,904.30 and 188,643.40 is: 282,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,227.80 : 548,904.30 = 188,643.40 : x
  2. Step 2: Convert to fraction form
    366,227.80/548,904.30 = 188,643.40/x
  3. Step 3: Cross multiply
    366,227.80x = 548,904.30 × 188,643.40
  4. Step 4: Simplify right side
    366,227.80x = 103,547,173,426.62
  5. Step 5: Solve for x
    x = 103,547,173,426.62/366,227.80
  6. Step 6: Final answer
    x = 282,739.80

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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.