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Finding the Fourth Proportional to 608,854.49, 840,206.62 and 336,922.20

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Solution

The fourth proportional to 608,854.49, 840,206.62 and 336,922.20 is: 464,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,854.49 : 840,206.62 = 336,922.20 : x
  2. Step 2: Convert to fraction form
    608,854.49/840,206.62 = 336,922.20/x
  3. Step 3: Cross multiply
    608,854.49x = 840,206.62 × 336,922.20
  4. Step 4: Simplify right side
    608,854.49x = 283,084,263,286.12
  5. Step 5: Solve for x
    x = 283,084,263,286.12/608,854.49
  6. Step 6: Final answer
    x = 464,945.68

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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.