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Finding the Fourth Proportional to 484,234.46, 668,240.40 and 266,456.42

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Solution

The fourth proportional to 484,234.46, 668,240.40 and 266,456.42 is: 367,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,234.46 : 668,240.40 = 266,456.42 : x
  2. Step 2: Convert to fraction form
    484,234.46/668,240.40 = 266,456.42/x
  3. Step 3: Cross multiply
    484,234.46x = 668,240.40 × 266,456.42
  4. Step 4: Simplify right side
    484,234.46x = 178,056,941,342.17
  5. Step 5: Solve for x
    x = 178,056,941,342.17/484,234.46
  6. Step 6: Final answer
    x = 367,708.12

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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.