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Finding the Fourth Proportional to 467,622.16, 700,418.25 and 287,159.87

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Solution

The fourth proportional to 467,622.16, 700,418.25 and 287,159.87 is: 430,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,622.16 : 700,418.25 = 287,159.87 : x
  2. Step 2: Convert to fraction form
    467,622.16/700,418.25 = 287,159.87/x
  3. Step 3: Cross multiply
    467,622.16x = 700,418.25 × 287,159.87
  4. Step 4: Simplify right side
    467,622.16x = 201,132,015,366.67
  5. Step 5: Solve for x
    x = 201,132,015,366.67/467,622.16
  6. Step 6: Final answer
    x = 430,116.52

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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.