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Finding the Fourth Proportional to 557,731.17, 836,616.60 and 178,602.64

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Solution

The fourth proportional to 557,731.17, 836,616.60 and 178,602.64 is: 267,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,731.17 : 836,616.60 = 178,602.64 : x
  2. Step 2: Convert to fraction form
    557,731.17/836,616.60 = 178,602.64/x
  3. Step 3: Cross multiply
    557,731.17x = 836,616.60 × 178,602.64
  4. Step 4: Simplify right side
    557,731.17x = 149,421,933,803.84
  5. Step 5: Solve for x
    x = 149,421,933,803.84/557,731.17
  6. Step 6: Final answer
    x = 267,910.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.