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Finding the Fourth Proportional to 352,988.93, 487,124.72 and 191,844.36

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Solution

The fourth proportional to 352,988.93, 487,124.72 and 191,844.36 is: 264,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,988.93 : 487,124.72 = 191,844.36 : x
  2. Step 2: Convert to fraction form
    352,988.93/487,124.72 = 191,844.36/x
  3. Step 3: Cross multiply
    352,988.93x = 487,124.72 × 191,844.36
  4. Step 4: Simplify right side
    352,988.93x = 93,452,130,148.58
  5. Step 5: Solve for x
    x = 93,452,130,148.58/352,988.93
  6. Step 6: Final answer
    x = 264,745.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.