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Finding the Fourth Proportional to 366,485.01, 548,979.14 and 188,618.34

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Solution

The fourth proportional to 366,485.01, 548,979.14 and 188,618.34 is: 282,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,485.01 : 548,979.14 = 188,618.34 : x
  2. Step 2: Convert to fraction form
    366,485.01/548,979.14 = 188,618.34/x
  3. Step 3: Cross multiply
    366,485.01x = 548,979.14 × 188,618.34
  4. Step 4: Simplify right side
    366,485.01x = 103,547,535,550.67
  5. Step 5: Solve for x
    x = 103,547,535,550.67/366,485.01
  6. Step 6: Final answer
    x = 282,542.35

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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.