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Finding the Fourth Proportional to 349,004.34, 523,485.63 and 124,352.87

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Solution

The fourth proportional to 349,004.34, 523,485.63 and 124,352.87 is: 186,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,004.34 : 523,485.63 = 124,352.87 : x
  2. Step 2: Convert to fraction form
    349,004.34/523,485.63 = 124,352.87/x
  3. Step 3: Cross multiply
    349,004.34x = 523,485.63 × 124,352.87
  4. Step 4: Simplify right side
    349,004.34x = 65,096,937,876.83
  5. Step 5: Solve for x
    x = 65,096,937,876.83/349,004.34
  6. Step 6: Final answer
    x = 186,521.86

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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.