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Finding the Fourth Proportional to 3,946,750.05, 5,920,125.30 and 954,934.05

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Solution

The fourth proportional to 3,946,750.05, 5,920,125.30 and 954,934.05 is: 1,432,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,750.05 : 5,920,125.30 = 954,934.05 : x
  2. Step 2: Convert to fraction form
    3,946,750.05/5,920,125.30 = 954,934.05/x
  3. Step 3: Cross multiply
    3,946,750.05x = 5,920,125.30 × 954,934.05
  4. Step 4: Simplify right side
    3,946,750.05x = 5,653,329,229,236.47
  5. Step 5: Solve for x
    x = 5,653,329,229,236.47/3,946,750.05
  6. Step 6: Final answer
    x = 1,432,401.13

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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.