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Finding the Fourth Proportional to 999,532.80, 1,499,298.04 and 325,613

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Solution

The fourth proportional to 999,532.80, 1,499,298.04 and 325,613 is: 488,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,532.80 : 1,499,298.04 = 325,613 : x
  2. Step 2: Convert to fraction form
    999,532.80/1,499,298.04 = 325,613/x
  3. Step 3: Cross multiply
    999,532.80x = 1,499,298.04 × 325,613
  4. Step 4: Simplify right side
    999,532.80x = 488,190,932,698.52
  5. Step 5: Solve for x
    x = 488,190,932,698.52/999,532.80
  6. Step 6: Final answer
    x = 488,419.12

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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.