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Finding the Fourth Proportional to 618,479.56, 847,106.69 and 582,165.64

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Solution

The fourth proportional to 618,479.56, 847,106.69 and 582,165.64 is: 797,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,479.56 : 847,106.69 = 582,165.64 : x
  2. Step 2: Convert to fraction form
    618,479.56/847,106.69 = 582,165.64/x
  3. Step 3: Cross multiply
    618,479.56x = 847,106.69 × 582,165.64
  4. Step 4: Simplify right side
    618,479.56x = 493,156,408,332.13
  5. Step 5: Solve for x
    x = 493,156,408,332.13/618,479.56
  6. Step 6: Final answer
    x = 797,368.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.