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Finding the Fourth Proportional to 584,150.52, 806,127.72 and 315,878.52

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Solution

The fourth proportional to 584,150.52, 806,127.72 and 315,878.52 is: 435,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,150.52 : 806,127.72 = 315,878.52 : x
  2. Step 2: Convert to fraction form
    584,150.52/806,127.72 = 315,878.52/x
  3. Step 3: Cross multiply
    584,150.52x = 806,127.72 × 315,878.52
  4. Step 4: Simplify right side
    584,150.52x = 254,638,431,124.57
  5. Step 5: Solve for x
    x = 254,638,431,124.57/584,150.52
  6. Step 6: Final answer
    x = 435,912.36

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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.