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Finding the Fourth Proportional to 622,850.34, 859,533.42 and 336,370.39

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Solution

The fourth proportional to 622,850.34, 859,533.42 and 336,370.39 is: 464,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,850.34 : 859,533.42 = 336,370.39 : x
  2. Step 2: Convert to fraction form
    622,850.34/859,533.42 = 336,370.39/x
  3. Step 3: Cross multiply
    622,850.34x = 859,533.42 × 336,370.39
  4. Step 4: Simplify right side
    622,850.34x = 289,121,590,815.99
  5. Step 5: Solve for x
    x = 289,121,590,815.99/622,850.34
  6. Step 6: Final answer
    x = 464,191.11

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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.