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Finding the Fourth Proportional to 304,303.34, 419,798.76 and 196,908.68

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Solution

The fourth proportional to 304,303.34, 419,798.76 and 196,908.68 is: 271,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,303.34 : 419,798.76 = 196,908.68 : x
  2. Step 2: Convert to fraction form
    304,303.34/419,798.76 = 196,908.68/x
  3. Step 3: Cross multiply
    304,303.34x = 419,798.76 × 196,908.68
  4. Step 4: Simplify right side
    304,303.34x = 82,662,019,697.24
  5. Step 5: Solve for x
    x = 82,662,019,697.24/304,303.34
  6. Step 6: Final answer
    x = 271,643.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.