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Finding the Fourth Proportional to 353,141.40, 529,971.30 and 234,773.40

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Solution

The fourth proportional to 353,141.40, 529,971.30 and 234,773.40 is: 352,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,141.40 : 529,971.30 = 234,773.40 : x
  2. Step 2: Convert to fraction form
    353,141.40/529,971.30 = 234,773.40/x
  3. Step 3: Cross multiply
    353,141.40x = 529,971.30 × 234,773.40
  4. Step 4: Simplify right side
    353,141.40x = 124,423,164,003.42
  5. Step 5: Solve for x
    x = 124,423,164,003.42/353,141.40
  6. Step 6: Final answer
    x = 352,332.42

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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.