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Finding the Fourth Proportional to 303,534.18, 418,880.55 and 167,568.21

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Solution

The fourth proportional to 303,534.18, 418,880.55 and 167,568.21 is: 231,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,534.18 : 418,880.55 = 167,568.21 : x
  2. Step 2: Convert to fraction form
    303,534.18/418,880.55 = 167,568.21/x
  3. Step 3: Cross multiply
    303,534.18x = 418,880.55 × 167,568.21
  4. Step 4: Simplify right side
    303,534.18x = 70,191,063,967.32
  5. Step 5: Solve for x
    x = 70,191,063,967.32/303,534.18
  6. Step 6: Final answer
    x = 231,246.00

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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.