Home / 353,719.30-529,412.55-248,743.30

Finding the Fourth Proportional to 353,719.30, 529,412.55 and 248,743.30

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Solution

The fourth proportional to 353,719.30, 529,412.55 and 248,743.30 is: 372,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,719.30 : 529,412.55 = 248,743.30 : x
  2. Step 2: Convert to fraction form
    353,719.30/529,412.55 = 248,743.30/x
  3. Step 3: Cross multiply
    353,719.30x = 529,412.55 × 248,743.30
  4. Step 4: Simplify right side
    353,719.30x = 131,687,824,748.42
  5. Step 5: Solve for x
    x = 131,687,824,748.42/353,719.30
  6. Step 6: Final answer
    x = 372,294.71

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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.