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Finding the Fourth Proportional to 560,696.04, 840,543.89 and 205,627.68

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Solution

The fourth proportional to 560,696.04, 840,543.89 and 205,627.68 is: 308,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,696.04 : 840,543.89 = 205,627.68 : x
  2. Step 2: Convert to fraction form
    560,696.04/840,543.89 = 205,627.68/x
  3. Step 3: Cross multiply
    560,696.04x = 840,543.89 × 205,627.68
  4. Step 4: Simplify right side
    560,696.04x = 172,839,089,010.74
  5. Step 5: Solve for x
    x = 172,839,089,010.74/560,696.04
  6. Step 6: Final answer
    x = 308,258.09

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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.