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Finding the Fourth Proportional to 540,198.04, 745,473.46 and 301,734.04

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Solution

The fourth proportional to 540,198.04, 745,473.46 and 301,734.04 is: 416,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,198.04 : 745,473.46 = 301,734.04 : x
  2. Step 2: Convert to fraction form
    540,198.04/745,473.46 = 301,734.04/x
  3. Step 3: Cross multiply
    540,198.04x = 745,473.46 × 301,734.04
  4. Step 4: Simplify right side
    540,198.04x = 224,934,718,798.58
  5. Step 5: Solve for x
    x = 224,934,718,798.58/540,198.04
  6. Step 6: Final answer
    x = 416,393.07

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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.