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Finding the Fourth Proportional to 608,885.36, 840,263.44 and 336,972.01

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Solution

The fourth proportional to 608,885.36, 840,263.44 and 336,972.01 is: 465,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,885.36 : 840,263.44 = 336,972.01 : x
  2. Step 2: Convert to fraction form
    608,885.36/840,263.44 = 336,972.01/x
  3. Step 3: Cross multiply
    608,885.36x = 840,263.44 × 336,972.01
  4. Step 4: Simplify right side
    608,885.36x = 283,145,256,520.80
  5. Step 5: Solve for x
    x = 283,145,256,520.80/608,885.36
  6. Step 6: Final answer
    x = 465,022.28

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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.