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Finding the Fourth Proportional to 508,033.92, 700,765.48 and 326,433.72

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Solution

The fourth proportional to 508,033.92, 700,765.48 and 326,433.72 is: 450,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,033.92 : 700,765.48 = 326,433.72 : x
  2. Step 2: Convert to fraction form
    508,033.92/700,765.48 = 326,433.72/x
  3. Step 3: Cross multiply
    508,033.92x = 700,765.48 × 326,433.72
  4. Step 4: Simplify right side
    508,033.92x = 228,753,482,483.99
  5. Step 5: Solve for x
    x = 228,753,482,483.99/508,033.92
  6. Step 6: Final answer
    x = 450,272.07

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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.