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Finding the Fourth Proportional to 352,957.10, 487,083.93 and 191,812.16

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Solution

The fourth proportional to 352,957.10, 487,083.93 and 191,812.16 is: 264,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,957.10 : 487,083.93 = 191,812.16 : x
  2. Step 2: Convert to fraction form
    352,957.10/487,083.93 = 191,812.16/x
  3. Step 3: Cross multiply
    352,957.10x = 487,083.93 × 191,812.16
  4. Step 4: Simplify right side
    352,957.10x = 93,428,618,279.17
  5. Step 5: Solve for x
    x = 93,428,618,279.17/352,957.10
  6. Step 6: Final answer
    x = 264,702.48

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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.