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Finding the Fourth Proportional to 543,618.84, 750,218.91 and 301,902.48

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Solution

The fourth proportional to 543,618.84, 750,218.91 and 301,902.48 is: 416,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,618.84 : 750,218.91 = 301,902.48 : x
  2. Step 2: Convert to fraction form
    543,618.84/750,218.91 = 301,902.48/x
  3. Step 3: Cross multiply
    543,618.84x = 750,218.91 × 301,902.48
  4. Step 4: Simplify right side
    543,618.84x = 226,492,949,471.90
  5. Step 5: Solve for x
    x = 226,492,949,471.90/543,618.84
  6. Step 6: Final answer
    x = 416,639.26

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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.