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Finding the Fourth Proportional to 446,211.58, 615,593.91 and 285,024.82

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Solution

The fourth proportional to 446,211.58, 615,593.91 and 285,024.82 is: 393,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,211.58 : 615,593.91 = 285,024.82 : x
  2. Step 2: Convert to fraction form
    446,211.58/615,593.91 = 285,024.82/x
  3. Step 3: Cross multiply
    446,211.58x = 615,593.91 × 285,024.82
  4. Step 4: Simplify right side
    446,211.58x = 175,459,543,390.85
  5. Step 5: Solve for x
    x = 175,459,543,390.85/446,211.58
  6. Step 6: Final answer
    x = 393,220.51

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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.