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Finding the Fourth Proportional to 622,814.25, 859,483.67 and 336,334.34

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Solution

The fourth proportional to 622,814.25, 859,483.67 and 336,334.34 is: 464,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,814.25 : 859,483.67 = 336,334.34 : x
  2. Step 2: Convert to fraction form
    622,814.25/859,483.67 = 336,334.34/x
  3. Step 3: Cross multiply
    622,814.25x = 859,483.67 × 336,334.34
  4. Step 4: Simplify right side
    622,814.25x = 289,073,872,890.23
  5. Step 5: Solve for x
    x = 289,073,872,890.23/622,814.25
  6. Step 6: Final answer
    x = 464,141.39

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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.