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Finding the Fourth Proportional to 352,988.55, 529,369.07 and 116,274.87

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Solution

The fourth proportional to 352,988.55, 529,369.07 and 116,274.87 is: 174,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,988.55 : 529,369.07 = 116,274.87 : x
  2. Step 2: Convert to fraction form
    352,988.55/529,369.07 = 116,274.87/x
  3. Step 3: Cross multiply
    352,988.55x = 529,369.07 × 116,274.87
  4. Step 4: Simplify right side
    352,988.55x = 61,552,319,214.90
  5. Step 5: Solve for x
    x = 61,552,319,214.90/352,988.55
  6. Step 6: Final answer
    x = 174,374.83

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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.