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Finding the Fourth Proportional to 340,352.72, 469,652.80 and 197,158.80

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Solution

The fourth proportional to 340,352.72, 469,652.80 and 197,158.80 is: 272,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,352.72 : 469,652.80 = 197,158.80 : x
  2. Step 2: Convert to fraction form
    340,352.72/469,652.80 = 197,158.80/x
  3. Step 3: Cross multiply
    340,352.72x = 469,652.80 × 197,158.80
  4. Step 4: Simplify right side
    340,352.72x = 92,596,182,464.64
  5. Step 5: Solve for x
    x = 92,596,182,464.64/340,352.72
  6. Step 6: Final answer
    x = 272,059.48

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1.5x scale

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.