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Finding the Fourth Proportional to 603,396, 905,210.46 and 229,389.84

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Solution

The fourth proportional to 603,396, 905,210.46 and 229,389.84 is: 344,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,396 : 905,210.46 = 229,389.84 : x
  2. Step 2: Convert to fraction form
    603,396/905,210.46 = 229,389.84/x
  3. Step 3: Cross multiply
    603,396x = 905,210.46 × 229,389.84
  4. Step 4: Simplify right side
    603,396x = 207,646,082,585.73
  5. Step 5: Solve for x
    x = 207,646,082,585.73/603,396
  6. Step 6: Final answer
    x = 344,129.03

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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.