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Finding the Fourth Proportional to 341,163.28, 511,526.22 and 141,621.40

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Solution

The fourth proportional to 341,163.28, 511,526.22 and 141,621.40 is: 212,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,163.28 : 511,526.22 = 141,621.40 : x
  2. Step 2: Convert to fraction form
    341,163.28/511,526.22 = 141,621.40/x
  3. Step 3: Cross multiply
    341,163.28x = 511,526.22 × 141,621.40
  4. Step 4: Simplify right side
    341,163.28x = 72,443,059,413.11
  5. Step 5: Solve for x
    x = 72,443,059,413.11/341,163.28
  6. Step 6: Final answer
    x = 212,341.31

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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.