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Finding the Fourth Proportional to 560,573.22, 840,359.73 and 205,504.32

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Solution

The fourth proportional to 560,573.22, 840,359.73 and 205,504.32 is: 308,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,573.22 : 840,359.73 = 205,504.32 : x
  2. Step 2: Convert to fraction form
    560,573.22/840,359.73 = 205,504.32/x
  3. Step 3: Cross multiply
    560,573.22x = 840,359.73 × 205,504.32
  4. Step 4: Simplify right side
    560,573.22x = 172,697,554,869.03
  5. Step 5: Solve for x
    x = 172,697,554,869.03/560,573.22
  6. Step 6: Final answer
    x = 308,073.14

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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.