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Finding the Fourth Proportional to 229,133.20, 343,008.60 and 201,485.20

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Solution

The fourth proportional to 229,133.20, 343,008.60 and 201,485.20 is: 301,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,133.20 : 343,008.60 = 201,485.20 : x
  2. Step 2: Convert to fraction form
    229,133.20/343,008.60 = 201,485.20/x
  3. Step 3: Cross multiply
    229,133.20x = 343,008.60 × 201,485.20
  4. Step 4: Simplify right side
    229,133.20x = 69,111,156,372.72
  5. Step 5: Solve for x
    x = 69,111,156,372.72/229,133.20
  6. Step 6: Final answer
    x = 301,620.00

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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.