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Finding the Fourth Proportional to 576,602.47, 864,986.25 and 177,276.77

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Solution

The fourth proportional to 576,602.47, 864,986.25 and 177,276.77 is: 265,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,602.47 : 864,986.25 = 177,276.77 : x
  2. Step 2: Convert to fraction form
    576,602.47/864,986.25 = 177,276.77/x
  3. Step 3: Cross multiply
    576,602.47x = 864,986.25 × 177,276.77
  4. Step 4: Simplify right side
    576,602.47x = 153,341,970,656.88
  5. Step 5: Solve for x
    x = 153,341,970,656.88/576,602.47
  6. Step 6: Final answer
    x = 265,940.54

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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.