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Finding the Fourth Proportional to 2,955,810, 4,433,715 and 711,948

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Solution

The fourth proportional to 2,955,810, 4,433,715 and 711,948 is: 1,067,922

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955,810 : 4,433,715 = 711,948 : x
  2. Step 2: Convert to fraction form
    2,955,810/4,433,715 = 711,948/x
  3. Step 3: Cross multiply
    2,955,810x = 4,433,715 × 711,948
  4. Step 4: Simplify right side
    2,955,810x = 3,156,574,526,820
  5. Step 5: Solve for x
    x = 3,156,574,526,820/2,955,810
  6. Step 6: Final answer
    x = 1,067,922

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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.