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Finding the Fourth Proportional to 446,204.08, 615,583.56 and 285,017.32

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Solution

The fourth proportional to 446,204.08, 615,583.56 and 285,017.32 is: 393,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,204.08 : 615,583.56 = 285,017.32 : x
  2. Step 2: Convert to fraction form
    446,204.08/615,583.56 = 285,017.32/x
  3. Step 3: Cross multiply
    446,204.08x = 615,583.56 × 285,017.32
  4. Step 4: Simplify right side
    446,204.08x = 175,451,976,507.26
  5. Step 5: Solve for x
    x = 175,451,976,507.26/446,204.08
  6. Step 6: Final answer
    x = 393,210.16

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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.