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Finding the Fourth Proportional to 341,262.20, 511,202.10 and 193,345.40

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Solution

The fourth proportional to 341,262.20, 511,202.10 and 193,345.40 is: 289,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,262.20 : 511,202.10 = 193,345.40 : x
  2. Step 2: Convert to fraction form
    341,262.20/511,202.10 = 193,345.40/x
  3. Step 3: Cross multiply
    341,262.20x = 511,202.10 × 193,345.40
  4. Step 4: Simplify right side
    341,262.20x = 98,838,574,505.34
  5. Step 5: Solve for x
    x = 98,838,574,505.34/341,262.20
  6. Step 6: Final answer
    x = 289,626.49

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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.