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Finding the Fourth Proportional to 446,039.87, 615,359.84 and 254,950.74

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Solution

The fourth proportional to 446,039.87, 615,359.84 and 254,950.74 is: 351,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,039.87 : 615,359.84 = 254,950.74 : x
  2. Step 2: Convert to fraction form
    446,039.87/615,359.84 = 254,950.74/x
  3. Step 3: Cross multiply
    446,039.87x = 615,359.84 × 254,950.74
  4. Step 4: Simplify right side
    446,039.87x = 156,886,445,299.53
  5. Step 5: Solve for x
    x = 156,886,445,299.53/446,039.87
  6. Step 6: Final answer
    x = 351,731.89

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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.