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Finding the Fourth Proportional to 959,484, 1,324,204.56 and 557,076

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Solution

The fourth proportional to 959,484, 1,324,204.56 and 557,076 is: 768,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,484 : 1,324,204.56 = 557,076 : x
  2. Step 2: Convert to fraction form
    959,484/1,324,204.56 = 557,076/x
  3. Step 3: Cross multiply
    959,484x = 1,324,204.56 × 557,076
  4. Step 4: Simplify right side
    959,484x = 737,682,579,466.56
  5. Step 5: Solve for x
    x = 737,682,579,466.56/959,484
  6. Step 6: Final answer
    x = 768,832.60

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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.