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Finding the Fourth Proportional to 544,915.17, 751,986.65 and 303,207.93

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Solution

The fourth proportional to 544,915.17, 751,986.65 and 303,207.93 is: 418,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,915.17 : 751,986.65 = 303,207.93 : x
  2. Step 2: Convert to fraction form
    544,915.17/751,986.65 = 303,207.93/x
  3. Step 3: Cross multiply
    544,915.17x = 751,986.65 × 303,207.93
  4. Step 4: Simplify right side
    544,915.17x = 228,008,314,018.10
  5. Step 5: Solve for x
    x = 228,008,314,018.10/544,915.17
  6. Step 6: Final answer
    x = 418,429.01

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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.