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Finding the Fourth Proportional to 551,186.92, 760,721.22 and 336,452.20

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Solution

The fourth proportional to 551,186.92, 760,721.22 and 336,452.20 is: 464,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,186.92 : 760,721.22 = 336,452.20 : x
  2. Step 2: Convert to fraction form
    551,186.92/760,721.22 = 336,452.20/x
  3. Step 3: Cross multiply
    551,186.92x = 760,721.22 × 336,452.20
  4. Step 4: Simplify right side
    551,186.92x = 255,946,328,055.68
  5. Step 5: Solve for x
    x = 255,946,328,055.68/551,186.92
  6. Step 6: Final answer
    x = 464,354.87

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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.