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Finding the Fourth Proportional to 603,430.29, 905,262.20 and 229,424.13

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Solution

The fourth proportional to 603,430.29, 905,262.20 and 229,424.13 is: 344,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,430.29 : 905,262.20 = 229,424.13 : x
  2. Step 2: Convert to fraction form
    603,430.29/905,262.20 = 229,424.13/x
  3. Step 3: Cross multiply
    603,430.29x = 905,262.20 × 229,424.13
  4. Step 4: Simplify right side
    603,430.29x = 207,688,992,656.89
  5. Step 5: Solve for x
    x = 207,688,992,656.89/603,430.29
  6. Step 6: Final answer
    x = 344,180.59

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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.