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Finding the Fourth Proportional to 244,245.90, 366,368.85 and 220,140.30

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Solution

The fourth proportional to 244,245.90, 366,368.85 and 220,140.30 is: 330,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,245.90 : 366,368.85 = 220,140.30 : x
  2. Step 2: Convert to fraction form
    244,245.90/366,368.85 = 220,140.30/x
  3. Step 3: Cross multiply
    244,245.90x = 366,368.85 × 220,140.30
  4. Step 4: Simplify right side
    244,245.90x = 80,652,548,549.66
  5. Step 5: Solve for x
    x = 80,652,548,549.66/244,245.90
  6. Step 6: Final answer
    x = 330,210.45

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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.