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Finding the Fourth Proportional to 303,488.40, 418,813.93 and 167,522.32

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Solution

The fourth proportional to 303,488.40, 418,813.93 and 167,522.32 is: 231,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,488.40 : 418,813.93 = 167,522.32 : x
  2. Step 2: Convert to fraction form
    303,488.40/418,813.93 = 167,522.32/x
  3. Step 3: Cross multiply
    303,488.40x = 418,813.93 × 167,522.32
  4. Step 4: Simplify right side
    303,488.40x = 70,160,679,317.25
  5. Step 5: Solve for x
    x = 70,160,679,317.25/303,488.40
  6. Step 6: Final answer
    x = 231,180.76

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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.