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Finding the Fourth Proportional to 434,569.20, 651,076.20 and 367,695.60

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Solution

The fourth proportional to 434,569.20, 651,076.20 and 367,695.60 is: 550,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,569.20 : 651,076.20 = 367,695.60 : x
  2. Step 2: Convert to fraction form
    434,569.20/651,076.20 = 367,695.60/x
  3. Step 3: Cross multiply
    434,569.20x = 651,076.20 × 367,695.60
  4. Step 4: Simplify right side
    434,569.20x = 239,397,854,004.72
  5. Step 5: Solve for x
    x = 239,397,854,004.72/434,569.20
  6. Step 6: Final answer
    x = 550,885.46

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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.