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Finding the Fourth Proportional to 591,605.40, 886,095.90 and 512,873.40

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Solution

The fourth proportional to 591,605.40, 886,095.90 and 512,873.40 is: 768,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,605.40 : 886,095.90 = 512,873.40 : x
  2. Step 2: Convert to fraction form
    591,605.40/886,095.90 = 512,873.40/x
  3. Step 3: Cross multiply
    591,605.40x = 886,095.90 × 512,873.40
  4. Step 4: Simplify right side
    591,605.40x = 454,455,016,959.06
  5. Step 5: Solve for x
    x = 454,455,016,959.06/591,605.40
  6. Step 6: Final answer
    x = 768,172.53

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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.