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Finding the Fourth Proportional to 527,461.41, 789,879.92 and 368,947.65

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Solution

The fourth proportional to 527,461.41, 789,879.92 and 368,947.65 is: 552,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,461.41 : 789,879.92 = 368,947.65 : x
  2. Step 2: Convert to fraction form
    527,461.41/789,879.92 = 368,947.65/x
  3. Step 3: Cross multiply
    527,461.41x = 789,879.92 × 368,947.65
  4. Step 4: Simplify right side
    527,461.41x = 291,424,343,458.83
  5. Step 5: Solve for x
    x = 291,424,343,458.83/527,461.41
  6. Step 6: Final answer
    x = 552,503.63

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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.