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Finding the Fourth Proportional to 368,409.87, 508,404.83 and 207,265.03

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Solution

The fourth proportional to 368,409.87, 508,404.83 and 207,265.03 is: 286,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,409.87 : 508,404.83 = 207,265.03 : x
  2. Step 2: Convert to fraction form
    368,409.87/508,404.83 = 207,265.03/x
  3. Step 3: Cross multiply
    368,409.87x = 508,404.83 × 207,265.03
  4. Step 4: Simplify right side
    368,409.87x = 105,374,542,736.82
  5. Step 5: Solve for x
    x = 105,374,542,736.82/368,409.87
  6. Step 6: Final answer
    x = 286,025.30

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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.