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Finding the Fourth Proportional to 608,736.92, 912,511.74 and 253,852.52

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Solution

The fourth proportional to 608,736.92, 912,511.74 and 253,852.52 is: 380,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,736.92 : 912,511.74 = 253,852.52 : x
  2. Step 2: Convert to fraction form
    608,736.92/912,511.74 = 253,852.52/x
  3. Step 3: Cross multiply
    608,736.92x = 912,511.74 × 253,852.52
  4. Step 4: Simplify right side
    608,736.92x = 231,643,404,728.59
  5. Step 5: Solve for x
    x = 231,643,404,728.59/608,736.92
  6. Step 6: Final answer
    x = 380,531.22

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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.