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Finding the Fourth Proportional to 1,750,158, 2,415,219 and 945,342

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Solution

The fourth proportional to 1,750,158, 2,415,219 and 945,342 is: 1,304,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,158 : 2,415,219 = 945,342 : x
  2. Step 2: Convert to fraction form
    1,750,158/2,415,219 = 945,342/x
  3. Step 3: Cross multiply
    1,750,158x = 2,415,219 × 945,342
  4. Step 4: Simplify right side
    1,750,158x = 2,283,207,959,898
  5. Step 5: Solve for x
    x = 2,283,207,959,898/1,750,158
  6. Step 6: Final answer
    x = 1,304,572.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.