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Finding the Fourth Proportional to 551,323.29, 760,908.42 and 336,587.84

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Solution

The fourth proportional to 551,323.29, 760,908.42 and 336,587.84 is: 464,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,323.29 : 760,908.42 = 336,587.84 : x
  2. Step 2: Convert to fraction form
    551,323.29/760,908.42 = 336,587.84/x
  3. Step 3: Cross multiply
    551,323.29x = 760,908.42 × 336,587.84
  4. Step 4: Simplify right side
    551,323.29x = 256,112,517,721.07
  5. Step 5: Solve for x
    x = 256,112,517,721.07/551,323.29
  6. Step 6: Final answer
    x = 464,541.44

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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.