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Finding the Fourth Proportional to 607,407.06, 911,087.91 and 186,672

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Solution

The fourth proportional to 607,407.06, 911,087.91 and 186,672 is: 280,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,407.06 : 911,087.91 = 186,672 : x
  2. Step 2: Convert to fraction form
    607,407.06/911,087.91 = 186,672/x
  3. Step 3: Cross multiply
    607,407.06x = 911,087.91 × 186,672
  4. Step 4: Simplify right side
    607,407.06x = 170,074,602,335.52
  5. Step 5: Solve for x
    x = 170,074,602,335.52/607,407.06
  6. Step 6: Final answer
    x = 280,001.03

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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.