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Finding the Fourth Proportional to 536,456.60, 740,323.14 and 294,754.82

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Solution

The fourth proportional to 536,456.60, 740,323.14 and 294,754.82 is: 406,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,456.60 : 740,323.14 = 294,754.82 : x
  2. Step 2: Convert to fraction form
    536,456.60/740,323.14 = 294,754.82/x
  3. Step 3: Cross multiply
    536,456.60x = 740,323.14 × 294,754.82
  4. Step 4: Simplify right side
    536,456.60x = 218,213,813,872.54
  5. Step 5: Solve for x
    x = 218,213,813,872.54/536,456.60
  6. Step 6: Final answer
    x = 406,768.81

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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.