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Finding the Fourth Proportional to 608,792.85, 840,135.12 and 336,872.22

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Solution

The fourth proportional to 608,792.85, 840,135.12 and 336,872.22 is: 464,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,792.85 : 840,135.12 = 336,872.22 : x
  2. Step 2: Convert to fraction form
    608,792.85/840,135.12 = 336,872.22/x
  3. Step 3: Cross multiply
    608,792.85x = 840,135.12 × 336,872.22
  4. Step 4: Simplify right side
    608,792.85x = 283,018,182,974.37
  5. Step 5: Solve for x
    x = 283,018,182,974.37/608,792.85
  6. Step 6: Final answer
    x = 464,884.21

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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.