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Finding the Fourth Proportional to 655,114.44, 903,984.66 and 368,733

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Solution

The fourth proportional to 655,114.44, 903,984.66 and 368,733 is: 508,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,114.44 : 903,984.66 = 368,733 : x
  2. Step 2: Convert to fraction form
    655,114.44/903,984.66 = 368,733/x
  3. Step 3: Cross multiply
    655,114.44x = 903,984.66 × 368,733
  4. Step 4: Simplify right side
    655,114.44x = 333,328,975,635.78
  5. Step 5: Solve for x
    x = 333,328,975,635.78/655,114.44
  6. Step 6: Final answer
    x = 508,810.30

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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.