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Finding the Fourth Proportional to 349,894, 524,799.33 and 205,885.90

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Solution

The fourth proportional to 349,894, 524,799.33 and 205,885.90 is: 308,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,894 : 524,799.33 = 205,885.90 : x
  2. Step 2: Convert to fraction form
    349,894/524,799.33 = 205,885.90/x
  3. Step 3: Cross multiply
    349,894x = 524,799.33 × 205,885.90
  4. Step 4: Simplify right side
    349,894x = 108,048,782,376.45
  5. Step 5: Solve for x
    x = 108,048,782,376.45/349,894
  6. Step 6: Final answer
    x = 308,804.33

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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.