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Finding the Fourth Proportional to 603,437, 905,272.06 and 229,430.92

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Solution

The fourth proportional to 603,437, 905,272.06 and 229,430.92 is: 344,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,437 : 905,272.06 = 229,430.92 : x
  2. Step 2: Convert to fraction form
    603,437/905,272.06 = 229,430.92/x
  3. Step 3: Cross multiply
    603,437x = 905,272.06 × 229,430.92
  4. Step 4: Simplify right side
    603,437x = 207,697,401,576.10
  5. Step 5: Solve for x
    x = 207,697,401,576.10/603,437
  6. Step 6: Final answer
    x = 344,190.70

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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.