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Finding the Fourth Proportional to 229,211.40, 343,817.10 and 170,162.40

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Solution

The fourth proportional to 229,211.40, 343,817.10 and 170,162.40 is: 255,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,211.40 : 343,817.10 = 170,162.40 : x
  2. Step 2: Convert to fraction form
    229,211.40/343,817.10 = 170,162.40/x
  3. Step 3: Cross multiply
    229,211.40x = 343,817.10 × 170,162.40
  4. Step 4: Simplify right side
    229,211.40x = 58,504,742,897.04
  5. Step 5: Solve for x
    x = 58,504,742,897.04/229,211.40
  6. Step 6: Final answer
    x = 255,243.60

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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.