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Finding the Fourth Proportional to 446,168.72, 615,715.08 and 255,190.16

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Solution

The fourth proportional to 446,168.72, 615,715.08 and 255,190.16 is: 352,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,168.72 : 615,715.08 = 255,190.16 : x
  2. Step 2: Convert to fraction form
    446,168.72/615,715.08 = 255,190.16/x
  3. Step 3: Cross multiply
    446,168.72x = 615,715.08 × 255,190.16
  4. Step 4: Simplify right side
    446,168.72x = 157,124,429,779.61
  5. Step 5: Solve for x
    x = 157,124,429,779.61/446,168.72
  6. Step 6: Final answer
    x = 352,163.71

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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.