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Finding the Fourth Proportional to 349,610.40, 524,545.20 and 336,650.40

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Solution

The fourth proportional to 349,610.40, 524,545.20 and 336,650.40 is: 505,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,610.40 : 524,545.20 = 336,650.40 : x
  2. Step 2: Convert to fraction form
    349,610.40/524,545.20 = 336,650.40/x
  3. Step 3: Cross multiply
    349,610.40x = 524,545.20 × 336,650.40
  4. Step 4: Simplify right side
    349,610.40x = 176,588,351,398.08
  5. Step 5: Solve for x
    x = 176,588,351,398.08/349,610.40
  6. Step 6: Final answer
    x = 505,100.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.