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Finding the Fourth Proportional to 1,975,207.18, 2,962,788.90 and 627,333.70

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Solution

The fourth proportional to 1,975,207.18, 2,962,788.90 and 627,333.70 is: 940,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,207.18 : 2,962,788.90 = 627,333.70 : x
  2. Step 2: Convert to fraction form
    1,975,207.18/2,962,788.90 = 627,333.70/x
  3. Step 3: Cross multiply
    1,975,207.18x = 2,962,788.90 × 627,333.70
  4. Step 4: Simplify right side
    1,975,207.18x = 1,858,657,322,955.93
  5. Step 5: Solve for x
    x = 1,858,657,322,955.93/1,975,207.18
  6. Step 6: Final answer
    x = 940,993.60

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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.