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Finding the Fourth Proportional to 343,003.70, 514,505.55 and 336,442.70

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Solution

The fourth proportional to 343,003.70, 514,505.55 and 336,442.70 is: 504,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,003.70 : 514,505.55 = 336,442.70 : x
  2. Step 2: Convert to fraction form
    343,003.70/514,505.55 = 336,442.70/x
  3. Step 3: Cross multiply
    343,003.70x = 514,505.55 × 336,442.70
  4. Step 4: Simplify right side
    343,003.70x = 173,101,636,406.99
  5. Step 5: Solve for x
    x = 173,101,636,406.99/343,003.70
  6. Step 6: Final answer
    x = 504,664.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.