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Finding the Fourth Proportional to 1,632,378, 2,448,708.12 and 450,426

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Solution

The fourth proportional to 1,632,378, 2,448,708.12 and 450,426 is: 675,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,378 : 2,448,708.12 = 450,426 : x
  2. Step 2: Convert to fraction form
    1,632,378/2,448,708.12 = 450,426/x
  3. Step 3: Cross multiply
    1,632,378x = 2,448,708.12 × 450,426
  4. Step 4: Simplify right side
    1,632,378x = 1,102,961,803,659.12
  5. Step 5: Solve for x
    x = 1,102,961,803,659.12/1,632,378
  6. Step 6: Final answer
    x = 675,677.94

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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.