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Finding the Fourth Proportional to 1,088,256, 1,632,478.08 and 300,288

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Solution

The fourth proportional to 1,088,256, 1,632,478.08 and 300,288 is: 450,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,256 : 1,632,478.08 = 300,288 : x
  2. Step 2: Convert to fraction form
    1,088,256/1,632,478.08 = 300,288/x
  3. Step 3: Cross multiply
    1,088,256x = 1,632,478.08 × 300,288
  4. Step 4: Simplify right side
    1,088,256x = 490,213,577,687.04
  5. Step 5: Solve for x
    x = 490,213,577,687.04/1,088,256
  6. Step 6: Final answer
    x = 450,457.96

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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.