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Finding the Fourth Proportional to 303,315.32, 418,555.70 and 167,349.25

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Solution

The fourth proportional to 303,315.32, 418,555.70 and 167,349.25 is: 230,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,315.32 : 418,555.70 = 167,349.25 : x
  2. Step 2: Convert to fraction form
    303,315.32/418,555.70 = 167,349.25/x
  3. Step 3: Cross multiply
    303,315.32x = 418,555.70 × 167,349.25
  4. Step 4: Simplify right side
    303,315.32x = 70,044,982,792.23
  5. Step 5: Solve for x
    x = 70,044,982,792.23/303,315.32
  6. Step 6: Final answer
    x = 230,931.24

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