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Finding the Fourth Proportional to 467,319.92, 700,985.50 and 130,340.05

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Solution

The fourth proportional to 467,319.92, 700,985.50 and 130,340.05 is: 195,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,319.92 : 700,985.50 = 130,340.05 : x
  2. Step 2: Convert to fraction form
    467,319.92/700,985.50 = 130,340.05/x
  3. Step 3: Cross multiply
    467,319.92x = 700,985.50 × 130,340.05
  4. Step 4: Simplify right side
    467,319.92x = 91,366,485,119.28
  5. Step 5: Solve for x
    x = 91,366,485,119.28/467,319.92
  6. Step 6: Final answer
    x = 195,511.64

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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.