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Finding the Fourth Proportional to 353,034.75, 529,423.95 and 193,228.77

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Solution

The fourth proportional to 353,034.75, 529,423.95 and 193,228.77 is: 289,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,034.75 : 529,423.95 = 193,228.77 : x
  2. Step 2: Convert to fraction form
    353,034.75/529,423.95 = 193,228.77/x
  3. Step 3: Cross multiply
    353,034.75x = 529,423.95 × 193,228.77
  4. Step 4: Simplify right side
    353,034.75x = 102,299,938,667.04
  5. Step 5: Solve for x
    x = 102,299,938,667.04/353,034.75
  6. Step 6: Final answer
    x = 289,773.00

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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.