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Finding the Fourth Proportional to 229,131.20, 343,005.60 and 201,483.20

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Solution

The fourth proportional to 229,131.20, 343,005.60 and 201,483.20 is: 301,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,131.20 : 343,005.60 = 201,483.20 : x
  2. Step 2: Convert to fraction form
    229,131.20/343,005.60 = 201,483.20/x
  3. Step 3: Cross multiply
    229,131.20x = 343,005.60 × 201,483.20
  4. Step 4: Simplify right side
    229,131.20x = 69,109,865,905.92
  5. Step 5: Solve for x
    x = 69,109,865,905.92/229,131.20
  6. Step 6: Final answer
    x = 301,617.00

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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.