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Finding the Fourth Proportional to 445,558.74, 614,903.60 and 254,568.04

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Solution

The fourth proportional to 445,558.74, 614,903.60 and 254,568.04 is: 351,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,558.74 : 614,903.60 = 254,568.04 : x
  2. Step 2: Convert to fraction form
    445,558.74/614,903.60 = 254,568.04/x
  3. Step 3: Cross multiply
    445,558.74x = 614,903.60 × 254,568.04
  4. Step 4: Simplify right side
    445,558.74x = 156,534,804,240.94
  5. Step 5: Solve for x
    x = 156,534,804,240.94/445,558.74
  6. Step 6: Final answer
    x = 351,322.49

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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.