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Finding the Fourth Proportional to 557,875.04, 836,793.12 and 178,790.16

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Solution

The fourth proportional to 557,875.04, 836,793.12 and 178,790.16 is: 268,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,875.04 : 836,793.12 = 178,790.16 : x
  2. Step 2: Convert to fraction form
    557,875.04/836,793.12 = 178,790.16/x
  3. Step 3: Cross multiply
    557,875.04x = 836,793.12 × 178,790.16
  4. Step 4: Simplify right side
    557,875.04x = 149,610,375,811.70
  5. Step 5: Solve for x
    x = 149,610,375,811.70/557,875.04
  6. Step 6: Final answer
    x = 268,179.01

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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.