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Finding the Fourth Proportional to 303,352.13, 418,625.94 and 169,216.13

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Solution

The fourth proportional to 303,352.13, 418,625.94 and 169,216.13 is: 233,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,352.13 : 418,625.94 = 169,216.13 : x
  2. Step 2: Convert to fraction form
    303,352.13/418,625.94 = 169,216.13/x
  3. Step 3: Cross multiply
    303,352.13x = 418,625.94 × 169,216.13
  4. Step 4: Simplify right side
    303,352.13x = 70,838,261,484.41
  5. Step 5: Solve for x
    x = 70,838,261,484.41/303,352.13
  6. Step 6: Final answer
    x = 233,518.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.