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Finding the Fourth Proportional to 304,589.64, 420,377.67 and 175,503.39

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Solution

The fourth proportional to 304,589.64, 420,377.67 and 175,503.39 is: 242,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,589.64 : 420,377.67 = 175,503.39 : x
  2. Step 2: Convert to fraction form
    304,589.64/420,377.67 = 175,503.39/x
  3. Step 3: Cross multiply
    304,589.64x = 420,377.67 × 175,503.39
  4. Step 4: Simplify right side
    304,589.64x = 73,777,706,165.30
  5. Step 5: Solve for x
    x = 73,777,706,165.30/304,589.64
  6. Step 6: Final answer
    x = 242,220.01

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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.