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Finding the Fourth Proportional to 622,813.26, 859,482.30 and 336,333.34

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Solution

The fourth proportional to 622,813.26, 859,482.30 and 336,333.34 is: 464,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,813.26 : 859,482.30 = 336,333.34 : x
  2. Step 2: Convert to fraction form
    622,813.26/859,482.30 = 336,333.34/x
  3. Step 3: Cross multiply
    622,813.26x = 859,482.30 × 336,333.34
  4. Step 4: Simplify right side
    622,813.26x = 289,072,552,629.88
  5. Step 5: Solve for x
    x = 289,072,552,629.88/622,813.26
  6. Step 6: Final answer
    x = 464,140.01

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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.