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Finding the Fourth Proportional to 418,151.84, 627,202.35 and 148,293.36

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Solution

The fourth proportional to 418,151.84, 627,202.35 and 148,293.36 is: 222,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,151.84 : 627,202.35 = 148,293.36 : x
  2. Step 2: Convert to fraction form
    418,151.84/627,202.35 = 148,293.36/x
  3. Step 3: Cross multiply
    418,151.84x = 627,202.35 × 148,293.36
  4. Step 4: Simplify right side
    418,151.84x = 93,009,943,881.40
  5. Step 5: Solve for x
    x = 93,009,943,881.40/418,151.84
  6. Step 6: Final answer
    x = 222,431.03

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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.