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Finding the Fourth Proportional to 605,899.98, 836,138.80 and 333,968.40

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Solution

The fourth proportional to 605,899.98, 836,138.80 and 333,968.40 is: 460,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,899.98 : 836,138.80 = 333,968.40 : x
  2. Step 2: Convert to fraction form
    605,899.98/836,138.80 = 333,968.40/x
  3. Step 3: Cross multiply
    605,899.98x = 836,138.80 × 333,968.40
  4. Step 4: Simplify right side
    605,899.98x = 279,243,937,631.38
  5. Step 5: Solve for x
    x = 279,243,937,631.38/605,899.98
  6. Step 6: Final answer
    x = 460,874.64

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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.