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Finding the Fourth Proportional to 489,525.49, 734,331.98 and 152,569

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Solution

The fourth proportional to 489,525.49, 734,331.98 and 152,569 is: 228,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,525.49 : 734,331.98 = 152,569 : x
  2. Step 2: Convert to fraction form
    489,525.49/734,331.98 = 152,569/x
  3. Step 3: Cross multiply
    489,525.49x = 734,331.98 × 152,569
  4. Step 4: Simplify right side
    489,525.49x = 112,036,295,856.62
  5. Step 5: Solve for x
    x = 112,036,295,856.62/489,525.49
  6. Step 6: Final answer
    x = 228,867.13

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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.