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Finding the Fourth Proportional to 346,682.94, 520,043.85 and 97,345.50

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Solution

The fourth proportional to 346,682.94, 520,043.85 and 97,345.50 is: 146,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,682.94 : 520,043.85 = 97,345.50 : x
  2. Step 2: Convert to fraction form
    346,682.94/520,043.85 = 97,345.50/x
  3. Step 3: Cross multiply
    346,682.94x = 520,043.85 × 97,345.50
  4. Step 4: Simplify right side
    346,682.94x = 50,623,928,600.18
  5. Step 5: Solve for x
    x = 50,623,928,600.18/346,682.94
  6. Step 6: Final answer
    x = 146,023.71

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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.