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Finding the Fourth Proportional to 646,846.74, 970,445.16 and 366,560.82

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Solution

The fourth proportional to 646,846.74, 970,445.16 and 366,560.82 is: 549,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,846.74 : 970,445.16 = 366,560.82 : x
  2. Step 2: Convert to fraction form
    646,846.74/970,445.16 = 366,560.82/x
  3. Step 3: Cross multiply
    646,846.74x = 970,445.16 × 366,560.82
  4. Step 4: Simplify right side
    646,846.74x = 355,727,173,614.63
  5. Step 5: Solve for x
    x = 355,727,173,614.63/646,846.74
  6. Step 6: Final answer
    x = 549,940.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.