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Finding the Fourth Proportional to 341,318.26, 511,595.74 and 127,880.83

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Solution

The fourth proportional to 341,318.26, 511,595.74 and 127,880.83 is: 191,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,318.26 : 511,595.74 = 127,880.83 : x
  2. Step 2: Convert to fraction form
    341,318.26/511,595.74 = 127,880.83/x
  3. Step 3: Cross multiply
    341,318.26x = 511,595.74 × 127,880.83
  4. Step 4: Simplify right side
    341,318.26x = 65,423,287,855.66
  5. Step 5: Solve for x
    x = 65,423,287,855.66/341,318.26
  6. Step 6: Final answer
    x = 191,678.25

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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.