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Finding the Fourth Proportional to 489,223.32, 733,903.02 and 173,605.20

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Solution

The fourth proportional to 489,223.32, 733,903.02 and 173,605.20 is: 260,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,223.32 : 733,903.02 = 173,605.20 : x
  2. Step 2: Convert to fraction form
    489,223.32/733,903.02 = 173,605.20/x
  3. Step 3: Cross multiply
    489,223.32x = 733,903.02 × 173,605.20
  4. Step 4: Simplify right side
    489,223.32x = 127,409,380,567.70
  5. Step 5: Solve for x
    x = 127,409,380,567.70/489,223.32
  6. Step 6: Final answer
    x = 260,431.94

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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.