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Finding the Fourth Proportional to 551,320.54, 760,904.63 and 336,585.09

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Solution

The fourth proportional to 551,320.54, 760,904.63 and 336,585.09 is: 464,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,320.54 : 760,904.63 = 336,585.09 : x
  2. Step 2: Convert to fraction form
    551,320.54/760,904.63 = 336,585.09/x
  3. Step 3: Cross multiply
    551,320.54x = 760,904.63 × 336,585.09
  4. Step 4: Simplify right side
    551,320.54x = 256,109,153,369.97
  5. Step 5: Solve for x
    x = 256,109,153,369.97/551,320.54
  6. Step 6: Final answer
    x = 464,537.66

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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.