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Finding the Fourth Proportional to 445,669.56, 615,015.59 and 252,073.89

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Solution

The fourth proportional to 445,669.56, 615,015.59 and 252,073.89 is: 347,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,669.56 : 615,015.59 = 252,073.89 : x
  2. Step 2: Convert to fraction form
    445,669.56/615,015.59 = 252,073.89/x
  3. Step 3: Cross multiply
    445,669.56x = 615,015.59 × 252,073.89
  4. Step 4: Simplify right side
    445,669.56x = 155,029,370,921.58
  5. Step 5: Solve for x
    x = 155,029,370,921.58/445,669.56
  6. Step 6: Final answer
    x = 347,857.21

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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.