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Finding the Fourth Proportional to 999,524.81, 1,499,286.04 and 325,605.01

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Solution

The fourth proportional to 999,524.81, 1,499,286.04 and 325,605.01 is: 488,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,524.81 : 1,499,286.04 = 325,605.01 : x
  2. Step 2: Convert to fraction form
    999,524.81/1,499,286.04 = 325,605.01/x
  3. Step 3: Cross multiply
    999,524.81x = 1,499,286.04 × 325,605.01
  4. Step 4: Simplify right side
    999,524.81x = 488,175,046,047.06
  5. Step 5: Solve for x
    x = 488,175,046,047.06/999,524.81
  6. Step 6: Final answer
    x = 488,407.13

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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.