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Finding the Fourth Proportional to 293,042.61, 404,011.14 and 211,302.47

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Solution

The fourth proportional to 293,042.61, 404,011.14 and 211,302.47 is: 291,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,042.61 : 404,011.14 = 211,302.47 : x
  2. Step 2: Convert to fraction form
    293,042.61/404,011.14 = 211,302.47/x
  3. Step 3: Cross multiply
    293,042.61x = 404,011.14 × 211,302.47
  4. Step 4: Simplify right side
    293,042.61x = 85,368,553,195.74
  5. Step 5: Solve for x
    x = 85,368,553,195.74/293,042.61
  6. Step 6: Final answer
    x = 291,317.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.