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Finding the Fourth Proportional to 634,842.50, 952,165.34 and 185,442.76

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Solution

The fourth proportional to 634,842.50, 952,165.34 and 185,442.76 is: 278,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,842.50 : 952,165.34 = 185,442.76 : x
  2. Step 2: Convert to fraction form
    634,842.50/952,165.34 = 185,442.76/x
  3. Step 3: Cross multiply
    634,842.50x = 952,165.34 × 185,442.76
  4. Step 4: Simplify right side
    634,842.50x = 176,572,166,013.72
  5. Step 5: Solve for x
    x = 176,572,166,013.72/634,842.50
  6. Step 6: Final answer
    x = 278,135.39

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1.5x scale

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.