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Finding the Fourth Proportional to 607,476.90, 911,203.05 and 158,187.84

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Solution

The fourth proportional to 607,476.90, 911,203.05 and 158,187.84 is: 237,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,476.90 : 911,203.05 = 158,187.84 : x
  2. Step 2: Convert to fraction form
    607,476.90/911,203.05 = 158,187.84/x
  3. Step 3: Cross multiply
    607,476.90x = 911,203.05 × 158,187.84
  4. Step 4: Simplify right side
    607,476.90x = 144,141,242,280.91
  5. Step 5: Solve for x
    x = 144,141,242,280.91/607,476.90
  6. Step 6: Final answer
    x = 237,278.56

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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.