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Finding the Fourth Proportional to 347,335.47, 520,703.69 and 134,252.91

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Solution

The fourth proportional to 347,335.47, 520,703.69 and 134,252.91 is: 201,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,335.47 : 520,703.69 = 134,252.91 : x
  2. Step 2: Convert to fraction form
    347,335.47/520,703.69 = 134,252.91/x
  3. Step 3: Cross multiply
    347,335.47x = 520,703.69 × 134,252.91
  4. Step 4: Simplify right side
    347,335.47x = 69,905,984,958.97
  5. Step 5: Solve for x
    x = 69,905,984,958.97/347,335.47
  6. Step 6: Final answer
    x = 201,263.59

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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.