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Finding the Fourth Proportional to 361,970.88, 540,017.22 and 342,375.36

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Solution

The fourth proportional to 361,970.88, 540,017.22 and 342,375.36 is: 510,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,970.88 : 540,017.22 = 342,375.36 : x
  2. Step 2: Convert to fraction form
    361,970.88/540,017.22 = 342,375.36/x
  3. Step 3: Cross multiply
    361,970.88x = 540,017.22 × 342,375.36
  4. Step 4: Simplify right side
    361,970.88x = 184,888,590,103.70
  5. Step 5: Solve for x
    x = 184,888,590,103.70/361,970.88
  6. Step 6: Final answer
    x = 510,783.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.