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Finding the Fourth Proportional to 346,899.20, 520,363.20 and 110,235.20

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Solution

The fourth proportional to 346,899.20, 520,363.20 and 110,235.20 is: 165,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,899.20 : 520,363.20 = 110,235.20 : x
  2. Step 2: Convert to fraction form
    346,899.20/520,363.20 = 110,235.20/x
  3. Step 3: Cross multiply
    346,899.20x = 520,363.20 × 110,235.20
  4. Step 4: Simplify right side
    346,899.20x = 57,362,341,424.64
  5. Step 5: Solve for x
    x = 57,362,341,424.64/346,899.20
  6. Step 6: Final answer
    x = 165,357.38

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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.