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Finding the Fourth Proportional to 304,505.26, 420,218.08 and 168,548.56

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Solution

The fourth proportional to 304,505.26, 420,218.08 and 168,548.56 is: 232,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,505.26 : 420,218.08 = 168,548.56 : x
  2. Step 2: Convert to fraction form
    304,505.26/420,218.08 = 168,548.56/x
  3. Step 3: Cross multiply
    304,505.26x = 420,218.08 × 168,548.56
  4. Step 4: Simplify right side
    304,505.26x = 70,827,152,269.96
  5. Step 5: Solve for x
    x = 70,827,152,269.96/304,505.26
  6. Step 6: Final answer
    x = 232,597.47

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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.