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Finding the Fourth Proportional to 661,801.48, 992,325.58 and 451,693.96

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Solution

The fourth proportional to 661,801.48, 992,325.58 and 451,693.96 is: 677,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,801.48 : 992,325.58 = 451,693.96 : x
  2. Step 2: Convert to fraction form
    661,801.48/992,325.58 = 451,693.96/x
  3. Step 3: Cross multiply
    661,801.48x = 992,325.58 × 451,693.96
  4. Step 4: Simplify right side
    661,801.48x = 448,227,470,839.50
  5. Step 5: Solve for x
    x = 448,227,470,839.50/661,801.48
  6. Step 6: Final answer
    x = 677,283.87

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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.