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Finding the Fourth Proportional to 303,215.80, 453,948.90 and 185,117.80

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Solution

The fourth proportional to 303,215.80, 453,948.90 and 185,117.80 is: 277,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,215.80 : 453,948.90 = 185,117.80 : x
  2. Step 2: Convert to fraction form
    303,215.80/453,948.90 = 185,117.80/x
  3. Step 3: Cross multiply
    303,215.80x = 453,948.90 × 185,117.80
  4. Step 4: Simplify right side
    303,215.80x = 84,034,021,680.42
  5. Step 5: Solve for x
    x = 84,034,021,680.42/303,215.80
  6. Step 6: Final answer
    x = 277,142.62

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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.