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Finding the Fourth Proportional to 3,941,080, 5,911,620 and 949,264

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Solution

The fourth proportional to 3,941,080, 5,911,620 and 949,264 is: 1,423,896

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,080 : 5,911,620 = 949,264 : x
  2. Step 2: Convert to fraction form
    3,941,080/5,911,620 = 949,264/x
  3. Step 3: Cross multiply
    3,941,080x = 5,911,620 × 949,264
  4. Step 4: Simplify right side
    3,941,080x = 5,611,688,047,680
  5. Step 5: Solve for x
    x = 5,611,688,047,680/3,941,080
  6. Step 6: Final answer
    x = 1,423,896

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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.