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Finding the Fourth Proportional to 395,223.17, 592,650.21 and 142,470.36

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Solution

The fourth proportional to 395,223.17, 592,650.21 and 142,470.36 is: 213,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,223.17 : 592,650.21 = 142,470.36 : x
  2. Step 2: Convert to fraction form
    395,223.17/592,650.21 = 142,470.36/x
  3. Step 3: Cross multiply
    395,223.17x = 592,650.21 × 142,470.36
  4. Step 4: Simplify right side
    395,223.17x = 84,435,089,307.04
  5. Step 5: Solve for x
    x = 84,435,089,307.04/395,223.17
  6. Step 6: Final answer
    x = 213,639.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.