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Finding the Fourth Proportional to 2,489,080, 3,733,620 and 716,152

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Solution

The fourth proportional to 2,489,080, 3,733,620 and 716,152 is: 1,074,228

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,080 : 3,733,620 = 716,152 : x
  2. Step 2: Convert to fraction form
    2,489,080/3,733,620 = 716,152/x
  3. Step 3: Cross multiply
    2,489,080x = 3,733,620 × 716,152
  4. Step 4: Simplify right side
    2,489,080x = 2,673,839,430,240
  5. Step 5: Solve for x
    x = 2,673,839,430,240/2,489,080
  6. Step 6: Final answer
    x = 1,074,228

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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.