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Finding the Fourth Proportional to 346,879.61, 520,208.68 and 110,166.92

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Solution

The fourth proportional to 346,879.61, 520,208.68 and 110,166.92 is: 165,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,879.61 : 520,208.68 = 110,166.92 : x
  2. Step 2: Convert to fraction form
    346,879.61/520,208.68 = 110,166.92/x
  3. Step 3: Cross multiply
    346,879.61x = 520,208.68 × 110,166.92
  4. Step 4: Simplify right side
    346,879.61x = 57,309,788,032.87
  5. Step 5: Solve for x
    x = 57,309,788,032.87/346,879.61
  6. Step 6: Final answer
    x = 165,215.21

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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.