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Finding the Fourth Proportional to 562,097.31, 775,947.60 and 358,422.00

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Solution

The fourth proportional to 562,097.31, 775,947.60 and 358,422.00 is: 494,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,097.31 : 775,947.60 = 358,422.00 : x
  2. Step 2: Convert to fraction form
    562,097.31/775,947.60 = 358,422.00/x
  3. Step 3: Cross multiply
    562,097.31x = 775,947.60 × 358,422.00
  4. Step 4: Simplify right side
    562,097.31x = 278,116,687,777.40
  5. Step 5: Solve for x
    x = 278,116,687,777.40/562,097.31
  6. Step 6: Final answer
    x = 494,783.88

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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.