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Finding the Fourth Proportional to 445,262.88, 614,525.76 and 275,551.68

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Solution

The fourth proportional to 445,262.88, 614,525.76 and 275,551.68 is: 380,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,262.88 : 614,525.76 = 275,551.68 : x
  2. Step 2: Convert to fraction form
    445,262.88/614,525.76 = 275,551.68/x
  3. Step 3: Cross multiply
    445,262.88x = 614,525.76 × 275,551.68
  4. Step 4: Simplify right side
    445,262.88x = 169,333,605,571.28
  5. Step 5: Solve for x
    x = 169,333,605,571.28/445,262.88
  6. Step 6: Final answer
    x = 380,300.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.