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Finding the Fourth Proportional to 576,455.58, 794,861.64 and 372,238.38

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Solution

The fourth proportional to 576,455.58, 794,861.64 and 372,238.38 is: 513,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,455.58 : 794,861.64 = 372,238.38 : x
  2. Step 2: Convert to fraction form
    576,455.58/794,861.64 = 372,238.38/x
  3. Step 3: Cross multiply
    576,455.58x = 794,861.64 × 372,238.38
  4. Step 4: Simplify right side
    576,455.58x = 295,878,009,197.74
  5. Step 5: Solve for x
    x = 295,878,009,197.74/576,455.58
  6. Step 6: Final answer
    x = 513,271.13

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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.