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Finding the Fourth Proportional to 347,785.59, 520,999.22 and 239,695.62

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Solution

The fourth proportional to 347,785.59, 520,999.22 and 239,695.62 is: 359,075.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,785.59 : 520,999.22 = 239,695.62 : x
  2. Step 2: Convert to fraction form
    347,785.59/520,999.22 = 239,695.62/x
  3. Step 3: Cross multiply
    347,785.59x = 520,999.22 × 239,695.62
  4. Step 4: Simplify right side
    347,785.59x = 124,881,229,858.94
  5. Step 5: Solve for x
    x = 124,881,229,858.94/347,785.59
  6. Step 6: Final answer
    x = 359,075.34

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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.