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Finding the Fourth Proportional to 229,316.72, 343,567.72 and 195,695.60

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Solution

The fourth proportional to 229,316.72, 343,567.72 and 195,695.60 is: 293,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,316.72 : 343,567.72 = 195,695.60 : x
  2. Step 2: Convert to fraction form
    229,316.72/343,567.72 = 195,695.60/x
  3. Step 3: Cross multiply
    229,316.72x = 343,567.72 × 195,695.60
  4. Step 4: Simplify right side
    229,316.72x = 67,234,691,106.03
  5. Step 5: Solve for x
    x = 67,234,691,106.03/229,316.72
  6. Step 6: Final answer
    x = 293,195.76

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1.5x scale

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.