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Finding the Fourth Proportional to 352,987.40, 529,546.68 and 116,346.68

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Solution

The fourth proportional to 352,987.40, 529,546.68 and 116,346.68 is: 174,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,987.40 : 529,546.68 = 116,346.68 : x
  2. Step 2: Convert to fraction form
    352,987.40/529,546.68 = 116,346.68/x
  3. Step 3: Cross multiply
    352,987.40x = 529,546.68 × 116,346.68
  4. Step 4: Simplify right side
    352,987.40x = 61,610,998,123.02
  5. Step 5: Solve for x
    x = 61,610,998,123.02/352,987.40
  6. Step 6: Final answer
    x = 174,541.64

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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.