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Finding the Fourth Proportional to 347,304.88, 520,937.16 and 134,031.07

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Solution

The fourth proportional to 347,304.88, 520,937.16 and 134,031.07 is: 201,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,304.88 : 520,937.16 = 134,031.07 : x
  2. Step 2: Convert to fraction form
    347,304.88/520,937.16 = 134,031.07/x
  3. Step 3: Cross multiply
    347,304.88x = 520,937.16 × 134,031.07
  4. Step 4: Simplify right side
    347,304.88x = 69,821,764,957.56
  5. Step 5: Solve for x
    x = 69,821,764,957.56/347,304.88
  6. Step 6: Final answer
    x = 201,038.82

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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.