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Finding the Fourth Proportional to 362,709.10, 544,501.05 and 202,912.30

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Solution

The fourth proportional to 362,709.10, 544,501.05 and 202,912.30 is: 304,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,709.10 : 544,501.05 = 202,912.30 : x
  2. Step 2: Convert to fraction form
    362,709.10/544,501.05 = 202,912.30/x
  3. Step 3: Cross multiply
    362,709.10x = 544,501.05 × 202,912.30
  4. Step 4: Simplify right side
    362,709.10x = 110,485,960,407.92
  5. Step 5: Solve for x
    x = 110,485,960,407.92/362,709.10
  6. Step 6: Final answer
    x = 304,613.15

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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.