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Finding the Fourth Proportional to 622,846.90, 859,528.74 and 336,367.06

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Solution

The fourth proportional to 622,846.90, 859,528.74 and 336,367.06 is: 464,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,846.90 : 859,528.74 = 336,367.06 : x
  2. Step 2: Convert to fraction form
    622,846.90/859,528.74 = 336,367.06/x
  3. Step 3: Cross multiply
    622,846.90x = 859,528.74 × 336,367.06
  4. Step 4: Simplify right side
    622,846.90x = 289,117,155,259.30
  5. Step 5: Solve for x
    x = 289,117,155,259.30/622,846.90
  6. Step 6: Final answer
    x = 464,186.55

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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.