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Finding the Fourth Proportional to 347,068.80, 520,686.36 and 119,360.52

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Solution

The fourth proportional to 347,068.80, 520,686.36 and 119,360.52 is: 179,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,068.80 : 520,686.36 = 119,360.52 : x
  2. Step 2: Convert to fraction form
    347,068.80/520,686.36 = 119,360.52/x
  3. Step 3: Cross multiply
    347,068.80x = 520,686.36 × 119,360.52
  4. Step 4: Simplify right side
    347,068.80x = 62,149,394,686.51
  5. Step 5: Solve for x
    x = 62,149,394,686.51/347,068.80
  6. Step 6: Final answer
    x = 179,069.38

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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.