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Finding the Fourth Proportional to 577,597.96, 796,841.11 and 386,672.86

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Solution

The fourth proportional to 577,597.96, 796,841.11 and 386,672.86 is: 533,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,597.96 : 796,841.11 = 386,672.86 : x
  2. Step 2: Convert to fraction form
    577,597.96/796,841.11 = 386,672.86/x
  3. Step 3: Cross multiply
    577,597.96x = 796,841.11 × 386,672.86
  4. Step 4: Simplify right side
    577,597.96x = 308,116,832,448.67
  5. Step 5: Solve for x
    x = 308,116,832,448.67/577,597.96
  6. Step 6: Final answer
    x = 533,445.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.