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Finding the Fourth Proportional to 348,879.83, 522,987.54 and 112,056.45

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Solution

The fourth proportional to 348,879.83, 522,987.54 and 112,056.45 is: 167,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,879.83 : 522,987.54 = 112,056.45 : x
  2. Step 2: Convert to fraction form
    348,879.83/522,987.54 = 112,056.45/x
  3. Step 3: Cross multiply
    348,879.83x = 522,987.54 × 112,056.45
  4. Step 4: Simplify right side
    348,879.83x = 58,604,124,745.22
  5. Step 5: Solve for x
    x = 58,604,124,745.22/348,879.83
  6. Step 6: Final answer
    x = 167,977.97

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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.