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Finding the Fourth Proportional to 529,167.28, 793,646.16 and 259,179.70

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Solution

The fourth proportional to 529,167.28, 793,646.16 and 259,179.70 is: 388,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,167.28 : 793,646.16 = 259,179.70 : x
  2. Step 2: Convert to fraction form
    529,167.28/793,646.16 = 259,179.70/x
  3. Step 3: Cross multiply
    529,167.28x = 793,646.16 × 259,179.70
  4. Step 4: Simplify right side
    529,167.28x = 205,696,973,654.95
  5. Step 5: Solve for x
    x = 205,696,973,654.95/529,167.28
  6. Step 6: Final answer
    x = 388,718.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.