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Finding the Fourth Proportional to 353,329.93, 529,927.30 and 137,188.67

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Solution

The fourth proportional to 353,329.93, 529,927.30 and 137,188.67 is: 205,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,329.93 : 529,927.30 = 137,188.67 : x
  2. Step 2: Convert to fraction form
    353,329.93/529,927.30 = 137,188.67/x
  3. Step 3: Cross multiply
    353,329.93x = 529,927.30 × 137,188.67
  4. Step 4: Simplify right side
    353,329.93x = 72,700,021,214.70
  5. Step 5: Solve for x
    x = 72,700,021,214.70/353,329.93
  6. Step 6: Final answer
    x = 205,756.76

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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.