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Finding the Fourth Proportional to 340,490.94, 510,735.03 and 103,832.93

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Solution

The fourth proportional to 340,490.94, 510,735.03 and 103,832.93 is: 155,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,490.94 : 510,735.03 = 103,832.93 : x
  2. Step 2: Convert to fraction form
    340,490.94/510,735.03 = 103,832.93/x
  3. Step 3: Cross multiply
    340,490.94x = 510,735.03 × 103,832.93
  4. Step 4: Simplify right side
    340,490.94x = 53,031,112,064.86
  5. Step 5: Solve for x
    x = 53,031,112,064.86/340,490.94
  6. Step 6: Final answer
    x = 155,748.97

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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.