Home / 353,368.07-528,714.56-209,351.24

Finding the Fourth Proportional to 353,368.07, 528,714.56 and 209,351.24

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Solution

The fourth proportional to 353,368.07, 528,714.56 and 209,351.24 is: 313,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,368.07 : 528,714.56 = 209,351.24 : x
  2. Step 2: Convert to fraction form
    353,368.07/528,714.56 = 209,351.24/x
  3. Step 3: Cross multiply
    353,368.07x = 528,714.56 × 209,351.24
  4. Step 4: Simplify right side
    353,368.07x = 110,687,046,621.86
  5. Step 5: Solve for x
    x = 110,687,046,621.86/353,368.07
  6. Step 6: Final answer
    x = 313,234.43

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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.