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Finding the Fourth Proportional to 453,023.69, 680,060.48 and 243,071.69

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Solution

The fourth proportional to 453,023.69, 680,060.48 and 243,071.69 is: 364,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,023.69 : 680,060.48 = 243,071.69 : x
  2. Step 2: Convert to fraction form
    453,023.69/680,060.48 = 243,071.69/x
  3. Step 3: Cross multiply
    453,023.69x = 680,060.48 × 243,071.69
  4. Step 4: Simplify right side
    453,023.69x = 165,303,445,560.15
  5. Step 5: Solve for x
    x = 165,303,445,560.15/453,023.69
  6. Step 6: Final answer
    x = 364,889.19

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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.