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Finding the Fourth Proportional to 352,097.40, 528,131.42 and 162,494.76

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Solution

The fourth proportional to 352,097.40, 528,131.42 and 162,494.76 is: 243,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,097.40 : 528,131.42 = 162,494.76 : x
  2. Step 2: Convert to fraction form
    352,097.40/528,131.42 = 162,494.76/x
  3. Step 3: Cross multiply
    352,097.40x = 528,131.42 × 162,494.76
  4. Step 4: Simplify right side
    352,097.40x = 85,818,588,341.36
  5. Step 5: Solve for x
    x = 85,818,588,341.36/352,097.40
  6. Step 6: Final answer
    x = 243,735.37

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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.