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Finding the Fourth Proportional to 446,205.58, 615,585.63 and 285,018.82

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Solution

The fourth proportional to 446,205.58, 615,585.63 and 285,018.82 is: 393,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,205.58 : 615,585.63 = 285,018.82 : x
  2. Step 2: Convert to fraction form
    446,205.58/615,585.63 = 285,018.82/x
  3. Step 3: Cross multiply
    446,205.58x = 615,585.63 × 285,018.82
  4. Step 4: Simplify right side
    446,205.58x = 175,453,489,871.56
  5. Step 5: Solve for x
    x = 175,453,489,871.56/446,205.58
  6. Step 6: Final answer
    x = 393,212.23

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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.