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Finding the Fourth Proportional to 551,610.16, 761,304.36 and 336,873.76

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Solution

The fourth proportional to 551,610.16, 761,304.36 and 336,873.76 is: 464,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,610.16 : 761,304.36 = 336,873.76 : x
  2. Step 2: Convert to fraction form
    551,610.16/761,304.36 = 336,873.76/x
  3. Step 3: Cross multiply
    551,610.16x = 761,304.36 × 336,873.76
  4. Step 4: Simplify right side
    551,610.16x = 256,463,462,257.59
  5. Step 5: Solve for x
    x = 256,463,462,257.59/551,610.16
  6. Step 6: Final answer
    x = 464,936.07

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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.