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Finding the Fourth Proportional to 207,262.30, 310,375.04 and 165,790.30

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Solution

The fourth proportional to 207,262.30, 310,375.04 and 165,790.30 is: 248,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,262.30 : 310,375.04 = 165,790.30 : x
  2. Step 2: Convert to fraction form
    207,262.30/310,375.04 = 165,790.30/x
  3. Step 3: Cross multiply
    207,262.30x = 310,375.04 × 165,790.30
  4. Step 4: Simplify right side
    207,262.30x = 51,457,170,994.11
  5. Step 5: Solve for x
    x = 51,457,170,994.11/207,262.30
  6. Step 6: Final answer
    x = 248,270.77

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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.