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Finding the Fourth Proportional to 204,048.30, 306,072.45 and 185,349.45

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Solution

The fourth proportional to 204,048.30, 306,072.45 and 185,349.45 is: 278,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,048.30 : 306,072.45 = 185,349.45 : x
  2. Step 2: Convert to fraction form
    204,048.30/306,072.45 = 185,349.45/x
  3. Step 3: Cross multiply
    204,048.30x = 306,072.45 × 185,349.45
  4. Step 4: Simplify right side
    204,048.30x = 56,730,360,267.65
  5. Step 5: Solve for x
    x = 56,730,360,267.65/204,048.30
  6. Step 6: Final answer
    x = 278,024.18

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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.