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Finding the Fourth Proportional to 634,678.62, 952,106.76 and 185,432.37

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Solution

The fourth proportional to 634,678.62, 952,106.76 and 185,432.37 is: 278,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,678.62 : 952,106.76 = 185,432.37 : x
  2. Step 2: Convert to fraction form
    634,678.62/952,106.76 = 185,432.37/x
  3. Step 3: Cross multiply
    634,678.62x = 952,106.76 × 185,432.37
  4. Step 4: Simplify right side
    634,678.62x = 176,551,412,999.82
  5. Step 5: Solve for x
    x = 176,551,412,999.82/634,678.62
  6. Step 6: Final answer
    x = 278,174.51

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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.