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Finding the Fourth Proportional to 560,562.17, 840,343.27 and 205,493.30

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Solution

The fourth proportional to 560,562.17, 840,343.27 and 205,493.30 is: 308,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,562.17 : 840,343.27 = 205,493.30 : x
  2. Step 2: Convert to fraction form
    560,562.17/840,343.27 = 205,493.30/x
  3. Step 3: Cross multiply
    560,562.17x = 840,343.27 × 205,493.30
  4. Step 4: Simplify right side
    560,562.17x = 172,684,911,685.09
  5. Step 5: Solve for x
    x = 172,684,911,685.09/560,562.17
  6. Step 6: Final answer
    x = 308,056.66

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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.