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Finding the Fourth Proportional to 204,009.40, 305,430.90 and 183,014.20

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Solution

The fourth proportional to 204,009.40, 305,430.90 and 183,014.20 is: 273,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,009.40 : 305,430.90 = 183,014.20 : x
  2. Step 2: Convert to fraction form
    204,009.40/305,430.90 = 183,014.20/x
  3. Step 3: Cross multiply
    204,009.40x = 305,430.90 × 183,014.20
  4. Step 4: Simplify right side
    204,009.40x = 55,898,191,818.78
  5. Step 5: Solve for x
    x = 55,898,191,818.78/204,009.40
  6. Step 6: Final answer
    x = 273,998.12

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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.