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Finding the Fourth Proportional to 651,838.10, 978,194.55 and 296,669.30

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Solution

The fourth proportional to 651,838.10, 978,194.55 and 296,669.30 is: 445,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,838.10 : 978,194.55 = 296,669.30 : x
  2. Step 2: Convert to fraction form
    651,838.10/978,194.55 = 296,669.30/x
  3. Step 3: Cross multiply
    651,838.10x = 978,194.55 × 296,669.30
  4. Step 4: Simplify right side
    651,838.10x = 290,200,292,412.32
  5. Step 5: Solve for x
    x = 290,200,292,412.32/651,838.10
  6. Step 6: Final answer
    x = 445,203.02

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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.