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Finding the Fourth Proportional to 264,124.50, 396,210.44 and 74,586.77

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Solution

The fourth proportional to 264,124.50, 396,210.44 and 74,586.77 is: 111,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,124.50 : 396,210.44 = 74,586.77 : x
  2. Step 2: Convert to fraction form
    264,124.50/396,210.44 = 74,586.77/x
  3. Step 3: Cross multiply
    264,124.50x = 396,210.44 × 74,586.77
  4. Step 4: Simplify right side
    264,124.50x = 29,552,058,460.22
  5. Step 5: Solve for x
    x = 29,552,058,460.22/264,124.50
  6. Step 6: Final answer
    x = 111,886.85

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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.