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Finding the Fourth Proportional to 404,603.24, 607,026.35 and 191,533.55

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Solution

The fourth proportional to 404,603.24, 607,026.35 and 191,533.55 is: 287,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,603.24 : 607,026.35 = 191,533.55 : x
  2. Step 2: Convert to fraction form
    404,603.24/607,026.35 = 191,533.55/x
  3. Step 3: Cross multiply
    404,603.24x = 607,026.35 × 191,533.55
  4. Step 4: Simplify right side
    404,603.24x = 116,265,909,202.75
  5. Step 5: Solve for x
    x = 116,265,909,202.75/404,603.24
  6. Step 6: Final answer
    x = 287,357.83

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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.