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Finding the Fourth Proportional to 353,097.51, 528,937.11 and 163,291.83

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Solution

The fourth proportional to 353,097.51, 528,937.11 and 163,291.83 is: 244,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,097.51 : 528,937.11 = 163,291.83 : x
  2. Step 2: Convert to fraction form
    353,097.51/528,937.11 = 163,291.83/x
  3. Step 3: Cross multiply
    353,097.51x = 528,937.11 × 163,291.83
  4. Step 4: Simplify right side
    353,097.51x = 86,371,108,646.81
  5. Step 5: Solve for x
    x = 86,371,108,646.81/353,097.51
  6. Step 6: Final answer
    x = 244,609.79

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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.