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Finding the Fourth Proportional to 551,171.93, 760,700.36 and 336,436.47

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Solution

The fourth proportional to 551,171.93, 760,700.36 and 336,436.47 is: 464,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,171.93 : 760,700.36 = 336,436.47 : x
  2. Step 2: Convert to fraction form
    551,171.93/760,700.36 = 336,436.47/x
  3. Step 3: Cross multiply
    551,171.93x = 760,700.36 × 336,436.47
  4. Step 4: Simplify right side
    551,171.93x = 255,927,344,687.22
  5. Step 5: Solve for x
    x = 255,927,344,687.22/551,171.93
  6. Step 6: Final answer
    x = 464,333.06

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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.