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Finding the Fourth Proportional to 353,030.88, 529,248.69 and 153,200.73

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Solution

The fourth proportional to 353,030.88, 529,248.69 and 153,200.73 is: 229,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,030.88 : 529,248.69 = 153,200.73 : x
  2. Step 2: Convert to fraction form
    353,030.88/529,248.69 = 153,200.73/x
  3. Step 3: Cross multiply
    353,030.88x = 529,248.69 × 153,200.73
  4. Step 4: Simplify right side
    353,030.88x = 81,081,285,659.54
  5. Step 5: Solve for x
    x = 81,081,285,659.54/353,030.88
  6. Step 6: Final answer
    x = 229,671.94

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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.