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Finding the Fourth Proportional to 713,227.76, 1,069,433.40 and 292,274

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Solution

The fourth proportional to 713,227.76, 1,069,433.40 and 292,274 is: 438,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,227.76 : 1,069,433.40 = 292,274 : x
  2. Step 2: Convert to fraction form
    713,227.76/1,069,433.40 = 292,274/x
  3. Step 3: Cross multiply
    713,227.76x = 1,069,433.40 × 292,274
  4. Step 4: Simplify right side
    713,227.76x = 312,567,577,551.60
  5. Step 5: Solve for x
    x = 312,567,577,551.60/713,227.76
  6. Step 6: Final answer
    x = 438,243.71

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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.