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Finding the Fourth Proportional to 353,290.26, 529,935.63 and 87,050.76

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Solution

The fourth proportional to 353,290.26, 529,935.63 and 87,050.76 is: 130,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,290.26 : 529,935.63 = 87,050.76 : x
  2. Step 2: Convert to fraction form
    353,290.26/529,935.63 = 87,050.76/x
  3. Step 3: Cross multiply
    353,290.26x = 529,935.63 × 87,050.76
  4. Step 4: Simplify right side
    353,290.26x = 46,131,299,342.58
  5. Step 5: Solve for x
    x = 46,131,299,342.58/353,290.26
  6. Step 6: Final answer
    x = 130,576.20

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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.