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Finding the Fourth Proportional to 262,034.10, 393,051.15 and 167,555.70

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Solution

The fourth proportional to 262,034.10, 393,051.15 and 167,555.70 is: 251,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,034.10 : 393,051.15 = 167,555.70 : x
  2. Step 2: Convert to fraction form
    262,034.10/393,051.15 = 167,555.70/x
  3. Step 3: Cross multiply
    262,034.10x = 393,051.15 × 167,555.70
  4. Step 4: Simplify right side
    262,034.10x = 65,857,960,574.06
  5. Step 5: Solve for x
    x = 65,857,960,574.06/262,034.10
  6. Step 6: Final answer
    x = 251,333.55

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1.5x scale

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.