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Finding the Fourth Proportional to 346,904.20, 520,226.70 and 241,409.80

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Solution

The fourth proportional to 346,904.20, 520,226.70 and 241,409.80 is: 362,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,904.20 : 520,226.70 = 241,409.80 : x
  2. Step 2: Convert to fraction form
    346,904.20/520,226.70 = 241,409.80/x
  3. Step 3: Cross multiply
    346,904.20x = 520,226.70 × 241,409.80
  4. Step 4: Simplify right side
    346,904.20x = 125,587,823,601.66
  5. Step 5: Solve for x
    x = 125,587,823,601.66/346,904.20
  6. Step 6: Final answer
    x = 362,024.51

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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.