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Finding the Fourth Proportional to 484,257.92, 668,272.76 and 266,479.91

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Solution

The fourth proportional to 484,257.92, 668,272.76 and 266,479.91 is: 367,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,257.92 : 668,272.76 = 266,479.91 : x
  2. Step 2: Convert to fraction form
    484,257.92/668,272.76 = 266,479.91/x
  3. Step 3: Cross multiply
    484,257.92x = 668,272.76 × 266,479.91
  4. Step 4: Simplify right side
    484,257.92x = 178,081,261,598.89
  5. Step 5: Solve for x
    x = 178,081,261,598.89/484,257.92
  6. Step 6: Final answer
    x = 367,740.52

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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.