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Finding the Fourth Proportional to 549,113.36, 824,202.66 and 265,003.88

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Solution

The fourth proportional to 549,113.36, 824,202.66 and 265,003.88 is: 397,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,113.36 : 824,202.66 = 265,003.88 : x
  2. Step 2: Convert to fraction form
    549,113.36/824,202.66 = 265,003.88/x
  3. Step 3: Cross multiply
    549,113.36x = 824,202.66 × 265,003.88
  4. Step 4: Simplify right side
    549,113.36x = 218,416,902,806.32
  5. Step 5: Solve for x
    x = 218,416,902,806.32/549,113.36
  6. Step 6: Final answer
    x = 397,762.86

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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.