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Finding the Fourth Proportional to 911,804.52, 1,367,691.66 and 350,960.52

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Solution

The fourth proportional to 911,804.52, 1,367,691.66 and 350,960.52 is: 526,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,804.52 : 1,367,691.66 = 350,960.52 : x
  2. Step 2: Convert to fraction form
    911,804.52/1,367,691.66 = 350,960.52/x
  3. Step 3: Cross multiply
    911,804.52x = 1,367,691.66 × 350,960.52
  4. Step 4: Simplify right side
    911,804.52x = 480,005,776,193.26
  5. Step 5: Solve for x
    x = 480,005,776,193.26/911,804.52
  6. Step 6: Final answer
    x = 526,434.96

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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.