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Finding the Fourth Proportional to 445,999.35, 615,390.06 and 271,452.64

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Solution

The fourth proportional to 445,999.35, 615,390.06 and 271,452.64 is: 374,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,999.35 : 615,390.06 = 271,452.64 : x
  2. Step 2: Convert to fraction form
    445,999.35/615,390.06 = 271,452.64/x
  3. Step 3: Cross multiply
    445,999.35x = 615,390.06 × 271,452.64
  4. Step 4: Simplify right side
    445,999.35x = 167,049,256,416.76
  5. Step 5: Solve for x
    x = 167,049,256,416.76/445,999.35
  6. Step 6: Final answer
    x = 374,550.45

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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.