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Finding the Fourth Proportional to 530,879.13, 732,773.30 and 361,211.67

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Solution

The fourth proportional to 530,879.13, 732,773.30 and 361,211.67 is: 498,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,879.13 : 732,773.30 = 361,211.67 : x
  2. Step 2: Convert to fraction form
    530,879.13/732,773.30 = 361,211.67/x
  3. Step 3: Cross multiply
    530,879.13x = 732,773.30 × 361,211.67
  4. Step 4: Simplify right side
    530,879.13x = 264,686,267,424.41
  5. Step 5: Solve for x
    x = 264,686,267,424.41/530,879.13
  6. Step 6: Final answer
    x = 498,581.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.