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Finding the Fourth Proportional to 536,398.06, 740,229.62 and 294,696.20

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Solution

The fourth proportional to 536,398.06, 740,229.62 and 294,696.20 is: 406,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,398.06 : 740,229.62 = 294,696.20 : x
  2. Step 2: Convert to fraction form
    536,398.06/740,229.62 = 294,696.20/x
  3. Step 3: Cross multiply
    536,398.06x = 740,229.62 × 294,696.20
  4. Step 4: Simplify right side
    536,398.06x = 218,142,855,472.69
  5. Step 5: Solve for x
    x = 218,142,855,472.69/536,398.06
  6. Step 6: Final answer
    x = 406,680.92

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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.