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Finding the Fourth Proportional to 304,342.34, 420,008.36 and 175,300.43

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Solution

The fourth proportional to 304,342.34, 420,008.36 and 175,300.43 is: 241,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,342.34 : 420,008.36 = 175,300.43 : x
  2. Step 2: Convert to fraction form
    304,342.34/420,008.36 = 175,300.43/x
  3. Step 3: Cross multiply
    304,342.34x = 420,008.36 × 175,300.43
  4. Step 4: Simplify right side
    304,342.34x = 73,627,643,135.05
  5. Step 5: Solve for x
    x = 73,627,643,135.05/304,342.34
  6. Step 6: Final answer
    x = 241,923.76

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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.