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Finding the Fourth Proportional to 304,855.35, 455,428.66 and 197,363.59

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Solution

The fourth proportional to 304,855.35, 455,428.66 and 197,363.59 is: 294,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,855.35 : 455,428.66 = 197,363.59 : x
  2. Step 2: Convert to fraction form
    304,855.35/455,428.66 = 197,363.59/x
  3. Step 3: Cross multiply
    304,855.35x = 455,428.66 × 197,363.59
  4. Step 4: Simplify right side
    304,855.35x = 89,885,035,326.49
  5. Step 5: Solve for x
    x = 89,885,035,326.49/304,855.35
  6. Step 6: Final answer
    x = 294,844.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.