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Finding the Fourth Proportional to 862,750.60, 1,294,709.10 and 483,670.60

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Solution

The fourth proportional to 862,750.60, 1,294,709.10 and 483,670.60 is: 725,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,750.60 : 1,294,709.10 = 483,670.60 : x
  2. Step 2: Convert to fraction form
    862,750.60/1,294,709.10 = 483,670.60/x
  3. Step 3: Cross multiply
    862,750.60x = 1,294,709.10 × 483,670.60
  4. Step 4: Simplify right side
    862,750.60x = 626,212,727,222.46
  5. Step 5: Solve for x
    x = 626,212,727,222.46/862,750.60
  6. Step 6: Final answer
    x = 725,832.85

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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.