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Finding the Fourth Proportional to 851,196.96, 1,174,660 and 469,237.52

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Solution

The fourth proportional to 851,196.96, 1,174,660 and 469,237.52 is: 647,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,196.96 : 1,174,660 = 469,237.52 : x
  2. Step 2: Convert to fraction form
    851,196.96/1,174,660 = 469,237.52/x
  3. Step 3: Cross multiply
    851,196.96x = 1,174,660 × 469,237.52
  4. Step 4: Simplify right side
    851,196.96x = 551,194,545,243.20
  5. Step 5: Solve for x
    x = 551,194,545,243.20/851,196.96
  6. Step 6: Final answer
    x = 647,552.30

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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.