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Finding the Fourth Proportional to 530,245.67, 795,357.74 and 130,889.91

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Solution

The fourth proportional to 530,245.67, 795,357.74 and 130,889.91 is: 196,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,245.67 : 795,357.74 = 130,889.91 : x
  2. Step 2: Convert to fraction form
    530,245.67/795,357.74 = 130,889.91/x
  3. Step 3: Cross multiply
    530,245.67x = 795,357.74 × 130,889.91
  4. Step 4: Simplify right side
    530,245.67x = 104,104,303,333.63
  5. Step 5: Solve for x
    x = 104,104,303,333.63/530,245.67
  6. Step 6: Final answer
    x = 196,332.21

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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.