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Finding the Fourth Proportional to 624,949.83, 862,483.77 and 353,067.57

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Solution

The fourth proportional to 624,949.83, 862,483.77 and 353,067.57 is: 487,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,949.83 : 862,483.77 = 353,067.57 : x
  2. Step 2: Convert to fraction form
    624,949.83/862,483.77 = 353,067.57/x
  3. Step 3: Cross multiply
    624,949.83x = 862,483.77 × 353,067.57
  4. Step 4: Simplify right side
    624,949.83x = 304,515,048,838.34
  5. Step 5: Solve for x
    x = 304,515,048,838.34/624,949.83
  6. Step 6: Final answer
    x = 487,263.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.