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Finding the Fourth Proportional to 603,837.65, 905,750.03 and 154,554.95

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Solution

The fourth proportional to 603,837.65, 905,750.03 and 154,554.95 is: 231,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,837.65 : 905,750.03 = 154,554.95 : x
  2. Step 2: Convert to fraction form
    603,837.65/905,750.03 = 154,554.95/x
  3. Step 3: Cross multiply
    603,837.65x = 905,750.03 × 154,554.95
  4. Step 4: Simplify right side
    603,837.65x = 139,988,153,249.91
  5. Step 5: Solve for x
    x = 139,988,153,249.91/603,837.65
  6. Step 6: Final answer
    x = 231,830.78

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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.