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Finding the Fourth Proportional to 440,885.50, 661,555.84 and 188,098.15

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Solution

The fourth proportional to 440,885.50, 661,555.84 and 188,098.15 is: 282,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,885.50 : 661,555.84 = 188,098.15 : x
  2. Step 2: Convert to fraction form
    440,885.50/661,555.84 = 188,098.15/x
  3. Step 3: Cross multiply
    440,885.50x = 661,555.84 × 188,098.15
  4. Step 4: Simplify right side
    440,885.50x = 124,437,429,625.70
  5. Step 5: Solve for x
    x = 124,437,429,625.70/440,885.50
  6. Step 6: Final answer
    x = 282,244.32

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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.