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Finding the Fourth Proportional to 304,081.62, 419,699.28 and 176,830.62

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Solution

The fourth proportional to 304,081.62, 419,699.28 and 176,830.62 is: 244,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,081.62 : 419,699.28 = 176,830.62 : x
  2. Step 2: Convert to fraction form
    304,081.62/419,699.28 = 176,830.62/x
  3. Step 3: Cross multiply
    304,081.62x = 419,699.28 × 176,830.62
  4. Step 4: Simplify right side
    304,081.62x = 74,215,683,895.95
  5. Step 5: Solve for x
    x = 74,215,683,895.95/304,081.62
  6. Step 6: Final answer
    x = 244,065.01

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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.