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Finding the Fourth Proportional to 778,194.56, 1,167,303.52 and 217,232

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Solution

The fourth proportional to 778,194.56, 1,167,303.52 and 217,232 is: 325,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,194.56 : 1,167,303.52 = 217,232 : x
  2. Step 2: Convert to fraction form
    778,194.56/1,167,303.52 = 217,232/x
  3. Step 3: Cross multiply
    778,194.56x = 1,167,303.52 × 217,232
  4. Step 4: Simplify right side
    778,194.56x = 253,575,678,256.64
  5. Step 5: Solve for x
    x = 253,575,678,256.64/778,194.56
  6. Step 6: Final answer
    x = 325,851.26

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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.