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Finding the Fourth Proportional to 300,599.51, 415,355.04 and 236,577.51

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Solution

The fourth proportional to 300,599.51, 415,355.04 and 236,577.51 is: 326,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,599.51 : 415,355.04 = 236,577.51 : x
  2. Step 2: Convert to fraction form
    300,599.51/415,355.04 = 236,577.51/x
  3. Step 3: Cross multiply
    300,599.51x = 415,355.04 × 236,577.51
  4. Step 4: Simplify right side
    300,599.51x = 98,263,661,129.15
  5. Step 5: Solve for x
    x = 98,263,661,129.15/300,599.51
  6. Step 6: Final answer
    x = 326,892.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.