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Finding the Fourth Proportional to 445,264.88, 614,528.52 and 275,553.68

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Solution

The fourth proportional to 445,264.88, 614,528.52 and 275,553.68 is: 380,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,264.88 : 614,528.52 = 275,553.68 : x
  2. Step 2: Convert to fraction form
    445,264.88/614,528.52 = 275,553.68/x
  3. Step 3: Cross multiply
    445,264.88x = 614,528.52 × 275,553.68
  4. Step 4: Simplify right side
    445,264.88x = 169,335,595,150.95
  5. Step 5: Solve for x
    x = 169,335,595,150.95/445,264.88
  6. Step 6: Final answer
    x = 380,303.06

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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.