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Finding the Fourth Proportional to 622,820.01, 859,491.60 and 336,340.07

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Solution

The fourth proportional to 622,820.01, 859,491.60 and 336,340.07 is: 464,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,820.01 : 859,491.60 = 336,340.07 : x
  2. Step 2: Convert to fraction form
    622,820.01/859,491.60 = 336,340.07/x
  3. Step 3: Cross multiply
    622,820.01x = 859,491.60 × 336,340.07
  4. Step 4: Simplify right side
    622,820.01x = 289,081,469,929.96
  5. Step 5: Solve for x
    x = 289,081,469,929.96/622,820.01
  6. Step 6: Final answer
    x = 464,149.29

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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.