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Finding the Fourth Proportional to 557,517.80, 836,242.85 and 197,706.45

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Solution

The fourth proportional to 557,517.80, 836,242.85 and 197,706.45 is: 296,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,517.80 : 836,242.85 = 197,706.45 : x
  2. Step 2: Convert to fraction form
    557,517.80/836,242.85 = 197,706.45/x
  3. Step 3: Cross multiply
    557,517.80x = 836,242.85 × 197,706.45
  4. Step 4: Simplify right side
    557,517.80x = 165,330,604,222.85
  5. Step 5: Solve for x
    x = 165,330,604,222.85/557,517.80
  6. Step 6: Final answer
    x = 296,547.67

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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.