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Finding the Fourth Proportional to 557,409.51, 836,131.62 and 265,225.29

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Solution

The fourth proportional to 557,409.51, 836,131.62 and 265,225.29 is: 397,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,409.51 : 836,131.62 = 265,225.29 : x
  2. Step 2: Convert to fraction form
    557,409.51/836,131.62 = 265,225.29/x
  3. Step 3: Cross multiply
    557,409.51x = 836,131.62 × 265,225.29
  4. Step 4: Simplify right side
    557,409.51x = 221,763,251,392.67
  5. Step 5: Solve for x
    x = 221,763,251,392.67/557,409.51
  6. Step 6: Final answer
    x = 397,846.19

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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.