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Finding the Fourth Proportional to 651,162.12, 976,903 and 525,937.20

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Solution

The fourth proportional to 651,162.12, 976,903 and 525,937.20 is: 789,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,162.12 : 976,903 = 525,937.20 : x
  2. Step 2: Convert to fraction form
    651,162.12/976,903 = 525,937.20/x
  3. Step 3: Cross multiply
    651,162.12x = 976,903 × 525,937.20
  4. Step 4: Simplify right side
    651,162.12x = 513,789,628,491.60
  5. Step 5: Solve for x
    x = 513,789,628,491.60/651,162.12
  6. Step 6: Final answer
    x = 789,034.89

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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.