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Finding the Fourth Proportional to 403,941.40, 605,912.10 and 341,733.40

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Solution

The fourth proportional to 403,941.40, 605,912.10 and 341,733.40 is: 512,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,941.40 : 605,912.10 = 341,733.40 : x
  2. Step 2: Convert to fraction form
    403,941.40/605,912.10 = 341,733.40/x
  3. Step 3: Cross multiply
    403,941.40x = 605,912.10 × 341,733.40
  4. Step 4: Simplify right side
    403,941.40x = 207,060,402,034.14
  5. Step 5: Solve for x
    x = 207,060,402,034.14/403,941.40
  6. Step 6: Final answer
    x = 512,600.10

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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.