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Finding the Fourth Proportional to 340,658.22, 510,798.93 and 158,089.86

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Solution

The fourth proportional to 340,658.22, 510,798.93 and 158,089.86 is: 237,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,658.22 : 510,798.93 = 158,089.86 : x
  2. Step 2: Convert to fraction form
    340,658.22/510,798.93 = 158,089.86/x
  3. Step 3: Cross multiply
    340,658.22x = 510,798.93 × 158,089.86
  4. Step 4: Simplify right side
    340,658.22x = 80,752,131,331.85
  5. Step 5: Solve for x
    x = 80,752,131,331.85/340,658.22
  6. Step 6: Final answer
    x = 237,047.36

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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.