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Finding the Fourth Proportional to 395,189.91, 592,895.87 and 158,698.67

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Solution

The fourth proportional to 395,189.91, 592,895.87 and 158,698.67 is: 238,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,189.91 : 592,895.87 = 158,698.67 : x
  2. Step 2: Convert to fraction form
    395,189.91/592,895.87 = 158,698.67/x
  3. Step 3: Cross multiply
    395,189.91x = 592,895.87 × 158,698.67
  4. Step 4: Simplify right side
    395,189.91x = 94,091,785,224.00
  5. Step 5: Solve for x
    x = 94,091,785,224.00/395,189.91
  6. Step 6: Final answer
    x = 238,092.58

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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.