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Finding the Fourth Proportional to 647,028.77, 970,543.16 and 197,750.93

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Solution

The fourth proportional to 647,028.77, 970,543.16 and 197,750.93 is: 296,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,028.77 : 970,543.16 = 197,750.93 : x
  2. Step 2: Convert to fraction form
    647,028.77/970,543.16 = 197,750.93/x
  3. Step 3: Cross multiply
    647,028.77x = 970,543.16 × 197,750.93
  4. Step 4: Simplify right side
    647,028.77x = 191,925,811,506.38
  5. Step 5: Solve for x
    x = 191,925,811,506.38/647,028.77
  6. Step 6: Final answer
    x = 296,626.40

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Similar ratio
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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.