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Finding the Fourth Proportional to 441,355.95, 608,914.55 and 288,482.42

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Solution

The fourth proportional to 441,355.95, 608,914.55 and 288,482.42 is: 398,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,355.95 : 608,914.55 = 288,482.42 : x
  2. Step 2: Convert to fraction form
    441,355.95/608,914.55 = 288,482.42/x
  3. Step 3: Cross multiply
    441,355.95x = 608,914.55 × 288,482.42
  4. Step 4: Simplify right side
    441,355.95x = 175,661,138,470.23
  5. Step 5: Solve for x
    x = 175,661,138,470.23/441,355.95
  6. Step 6: Final answer
    x = 398,003.33

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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.