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Finding the Fourth Proportional to 551,185.92, 760,719.84 and 336,451.20

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Solution

The fourth proportional to 551,185.92, 760,719.84 and 336,451.20 is: 464,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,185.92 : 760,719.84 = 336,451.20 : x
  2. Step 2: Convert to fraction form
    551,185.92/760,719.84 = 336,451.20/x
  3. Step 3: Cross multiply
    551,185.92x = 760,719.84 × 336,451.20
  4. Step 4: Simplify right side
    551,185.92x = 255,945,103,031.81
  5. Step 5: Solve for x
    x = 255,945,103,031.81/551,185.92
  6. Step 6: Final answer
    x = 464,353.49

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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.