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Finding the Fourth Proportional to 346,459.77, 519,690.86 and 106,572.04

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Solution

The fourth proportional to 346,459.77, 519,690.86 and 106,572.04 is: 159,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,459.77 : 519,690.86 = 106,572.04 : x
  2. Step 2: Convert to fraction form
    346,459.77/519,690.86 = 106,572.04/x
  3. Step 3: Cross multiply
    346,459.77x = 519,690.86 × 106,572.04
  4. Step 4: Simplify right side
    346,459.77x = 55,384,516,610.37
  5. Step 5: Solve for x
    x = 55,384,516,610.37/346,459.77
  6. Step 6: Final answer
    x = 159,858.43

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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.