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Finding the Fourth Proportional to 229,417.20, 343,434.60 and 201,769.20

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Solution

The fourth proportional to 229,417.20, 343,434.60 and 201,769.20 is: 302,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,417.20 : 343,434.60 = 201,769.20 : x
  2. Step 2: Convert to fraction form
    229,417.20/343,434.60 = 201,769.20/x
  3. Step 3: Cross multiply
    229,417.20x = 343,434.60 × 201,769.20
  4. Step 4: Simplify right side
    229,417.20x = 69,294,524,494.32
  5. Step 5: Solve for x
    x = 69,294,524,494.32/229,417.20
  6. Step 6: Final answer
    x = 302,045.90

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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.