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Finding the Fourth Proportional to 607,417.26, 911,129.30 and 202,608.36

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Solution

The fourth proportional to 607,417.26, 911,129.30 and 202,608.36 is: 303,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,417.26 : 911,129.30 = 202,608.36 : x
  2. Step 2: Convert to fraction form
    607,417.26/911,129.30 = 202,608.36/x
  3. Step 3: Cross multiply
    607,417.26x = 911,129.30 × 202,608.36
  4. Step 4: Simplify right side
    607,417.26x = 184,602,413,220.95
  5. Step 5: Solve for x
    x = 184,602,413,220.95/607,417.26
  6. Step 6: Final answer
    x = 303,913.68

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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.