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Finding the Fourth Proportional to 577,271.76, 796,119.21 and 362,431.86

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Solution

The fourth proportional to 577,271.76, 796,119.21 and 362,431.86 is: 499,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,271.76 : 796,119.21 = 362,431.86 : x
  2. Step 2: Convert to fraction form
    577,271.76/796,119.21 = 362,431.86/x
  3. Step 3: Cross multiply
    577,271.76x = 796,119.21 × 362,431.86
  4. Step 4: Simplify right side
    577,271.76x = 288,538,966,062.03
  5. Step 5: Solve for x
    x = 288,538,966,062.03/577,271.76
  6. Step 6: Final answer
    x = 499,832.12

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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.