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Finding the Fourth Proportional to 422,461.49, 632,875.65 and 234,904.37

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Solution

The fourth proportional to 422,461.49, 632,875.65 and 234,904.37 is: 351,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,461.49 : 632,875.65 = 234,904.37 : x
  2. Step 2: Convert to fraction form
    422,461.49/632,875.65 = 234,904.37/x
  3. Step 3: Cross multiply
    422,461.49x = 632,875.65 × 234,904.37
  4. Step 4: Simplify right side
    422,461.49x = 148,665,255,851.59
  5. Step 5: Solve for x
    x = 148,665,255,851.59/422,461.49
  6. Step 6: Final answer
    x = 351,902.50

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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.