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Finding the Fourth Proportional to 304,891.66, 455,162.34 and 284,630.42

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Solution

The fourth proportional to 304,891.66, 455,162.34 and 284,630.42 is: 424,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,891.66 : 455,162.34 = 284,630.42 : x
  2. Step 2: Convert to fraction form
    304,891.66/455,162.34 = 284,630.42/x
  3. Step 3: Cross multiply
    304,891.66x = 455,162.34 × 284,630.42
  4. Step 4: Simplify right side
    304,891.66x = 129,553,046,579.23
  5. Step 5: Solve for x
    x = 129,553,046,579.23/304,891.66
  6. Step 6: Final answer
    x = 424,915.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.