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Finding the Fourth Proportional to 243,680.80, 365,002.80 and 202,208.80

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Solution

The fourth proportional to 243,680.80, 365,002.80 and 202,208.80 is: 302,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,680.80 : 365,002.80 = 202,208.80 : x
  2. Step 2: Convert to fraction form
    243,680.80/365,002.80 = 202,208.80/x
  3. Step 3: Cross multiply
    243,680.80x = 365,002.80 × 202,208.80
  4. Step 4: Simplify right side
    243,680.80x = 73,806,778,184.64
  5. Step 5: Solve for x
    x = 73,806,778,184.64/243,680.80
  6. Step 6: Final answer
    x = 302,883.03

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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.