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Finding the Fourth Proportional to 342,760.48, 473,014.30 and 197,485.98

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Solution

The fourth proportional to 342,760.48, 473,014.30 and 197,485.98 is: 272,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,760.48 : 473,014.30 = 197,485.98 : x
  2. Step 2: Convert to fraction form
    342,760.48/473,014.30 = 197,485.98/x
  3. Step 3: Cross multiply
    342,760.48x = 473,014.30 × 197,485.98
  4. Step 4: Simplify right side
    342,760.48x = 93,413,692,589.51
  5. Step 5: Solve for x
    x = 93,413,692,589.51/342,760.48
  6. Step 6: Final answer
    x = 272,533.44

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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.