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Finding the Fourth Proportional to 352,999.93, 487,143.10 and 191,855.36

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Solution

The fourth proportional to 352,999.93, 487,143.10 and 191,855.36 is: 264,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,999.93 : 487,143.10 = 191,855.36 : x
  2. Step 2: Convert to fraction form
    352,999.93/487,143.10 = 191,855.36/x
  3. Step 3: Cross multiply
    352,999.93x = 487,143.10 × 191,855.36
  4. Step 4: Simplify right side
    352,999.93x = 93,461,014,822.02
  5. Step 5: Solve for x
    x = 93,461,014,822.02/352,999.93
  6. Step 6: Final answer
    x = 264,762.13

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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.