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Finding the Fourth Proportional to 634,881.70, 952,272.87 and 185,606.74

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Solution

The fourth proportional to 634,881.70, 952,272.87 and 185,606.74 is: 278,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,881.70 : 952,272.87 = 185,606.74 : x
  2. Step 2: Convert to fraction form
    634,881.70/952,272.87 = 185,606.74/x
  3. Step 3: Cross multiply
    634,881.70x = 952,272.87 × 185,606.74
  4. Step 4: Simplify right side
    634,881.70x = 176,748,262,991.14
  5. Step 5: Solve for x
    x = 176,748,262,991.14/634,881.70
  6. Step 6: Final answer
    x = 278,395.59

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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.