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Finding the Fourth Proportional to 540,398, 810,613.46 and 185,407.04

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Solution

The fourth proportional to 540,398, 810,613.46 and 185,407.04 is: 278,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,398 : 810,613.46 = 185,407.04 : x
  2. Step 2: Convert to fraction form
    540,398/810,613.46 = 185,407.04/x
  3. Step 3: Cross multiply
    540,398x = 810,613.46 × 185,407.04
  4. Step 4: Simplify right side
    540,398x = 150,293,442,202.76
  5. Step 5: Solve for x
    x = 150,293,442,202.76/540,398
  6. Step 6: Final answer
    x = 278,116.21

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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.