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Finding the Fourth Proportional to 622,814.45, 859,483.92 and 336,334.53

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Solution

The fourth proportional to 622,814.45, 859,483.92 and 336,334.53 is: 464,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,814.45 : 859,483.92 = 336,334.53 : x
  2. Step 2: Convert to fraction form
    622,814.45/859,483.92 = 336,334.53/x
  3. Step 3: Cross multiply
    622,814.45x = 859,483.92 × 336,334.53
  4. Step 4: Simplify right side
    622,814.45x = 289,074,120,275.76
  5. Step 5: Solve for x
    x = 289,074,120,275.76/622,814.45
  6. Step 6: Final answer
    x = 464,141.64

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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.