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Finding the Fourth Proportional to 229,269.80, 343,904.70 and 170,220.80

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Solution

The fourth proportional to 229,269.80, 343,904.70 and 170,220.80 is: 255,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,269.80 : 343,904.70 = 170,220.80 : x
  2. Step 2: Convert to fraction form
    229,269.80/343,904.70 = 170,220.80/x
  3. Step 3: Cross multiply
    229,269.80x = 343,904.70 × 170,220.80
  4. Step 4: Simplify right side
    229,269.80x = 58,539,733,157.76
  5. Step 5: Solve for x
    x = 58,539,733,157.76/229,269.80
  6. Step 6: Final answer
    x = 255,331.20

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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.