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Finding the Fourth Proportional to 467,278.40, 700,907.48 and 130,310.06

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Solution

The fourth proportional to 467,278.40, 700,907.48 and 130,310.06 is: 195,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,278.40 : 700,907.48 = 130,310.06 : x
  2. Step 2: Convert to fraction form
    467,278.40/700,907.48 = 130,310.06/x
  3. Step 3: Cross multiply
    467,278.40x = 700,907.48 × 130,310.06
  4. Step 4: Simplify right side
    467,278.40x = 91,335,295,773.25
  5. Step 5: Solve for x
    x = 91,335,295,773.25/467,278.40
  6. Step 6: Final answer
    x = 195,462.27

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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.