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Finding the Fourth Proportional to 346,173.44, 519,352.16 and 109,520.32

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Solution

The fourth proportional to 346,173.44, 519,352.16 and 109,520.32 is: 164,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,173.44 : 519,352.16 = 109,520.32 : x
  2. Step 2: Convert to fraction form
    346,173.44/519,352.16 = 109,520.32/x
  3. Step 3: Cross multiply
    346,173.44x = 519,352.16 × 109,520.32
  4. Step 4: Simplify right side
    346,173.44x = 56,879,614,755.89
  5. Step 5: Solve for x
    x = 56,879,614,755.89/346,173.44
  6. Step 6: Final answer
    x = 164,309.59

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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.