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Finding the Fourth Proportional to 620,632.22, 930,195.82 and 283,210.52

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Solution

The fourth proportional to 620,632.22, 930,195.82 and 283,210.52 is: 424,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,632.22 : 930,195.82 = 283,210.52 : x
  2. Step 2: Convert to fraction form
    620,632.22/930,195.82 = 283,210.52/x
  3. Step 3: Cross multiply
    620,632.22x = 930,195.82 × 283,210.52
  4. Step 4: Simplify right side
    620,632.22x = 263,441,241,884.03
  5. Step 5: Solve for x
    x = 263,441,241,884.03/620,632.22
  6. Step 6: Final answer
    x = 424,472.39

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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.