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Finding the Fourth Proportional to 560,627.46, 841,051.98 and 205,644.78

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Solution

The fourth proportional to 560,627.46, 841,051.98 and 205,644.78 is: 308,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,627.46 : 841,051.98 = 205,644.78 : x
  2. Step 2: Convert to fraction form
    560,627.46/841,051.98 = 205,644.78/x
  3. Step 3: Cross multiply
    560,627.46x = 841,051.98 × 205,644.78
  4. Step 4: Simplify right side
    560,627.46x = 172,957,949,395.66
  5. Step 5: Solve for x
    x = 172,957,949,395.66/560,627.46
  6. Step 6: Final answer
    x = 308,507.81

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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.