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Finding the Fourth Proportional to 304,134.40, 419,688.48 and 168,160.48

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Solution

The fourth proportional to 304,134.40, 419,688.48 and 168,160.48 is: 232,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,134.40 : 419,688.48 = 168,160.48 : x
  2. Step 2: Convert to fraction form
    304,134.40/419,688.48 = 168,160.48/x
  3. Step 3: Cross multiply
    304,134.40x = 419,688.48 × 168,160.48
  4. Step 4: Simplify right side
    304,134.40x = 70,575,016,247.27
  5. Step 5: Solve for x
    x = 70,575,016,247.27/304,134.40
  6. Step 6: Final answer
    x = 232,052.07

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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.