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Finding the Fourth Proportional to 207,455.40, 310,491.90 and 182,572.20

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Solution

The fourth proportional to 207,455.40, 310,491.90 and 182,572.20 is: 273,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,455.40 : 310,491.90 = 182,572.20 : x
  2. Step 2: Convert to fraction form
    207,455.40/310,491.90 = 182,572.20/x
  3. Step 3: Cross multiply
    207,455.40x = 310,491.90 × 182,572.20
  4. Step 4: Simplify right side
    207,455.40x = 56,687,189,265.18
  5. Step 5: Solve for x
    x = 56,687,189,265.18/207,455.40
  6. Step 6: Final answer
    x = 273,250.01

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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.