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Finding the Fourth Proportional to 304,848.20, 456,494.70 and 242,640.20

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Solution

The fourth proportional to 304,848.20, 456,494.70 and 242,640.20 is: 363,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,848.20 : 456,494.70 = 242,640.20 : x
  2. Step 2: Convert to fraction form
    304,848.20/456,494.70 = 242,640.20/x
  3. Step 3: Cross multiply
    304,848.20x = 456,494.70 × 242,640.20
  4. Step 4: Simplify right side
    304,848.20x = 110,763,965,306.94
  5. Step 5: Solve for x
    x = 110,763,965,306.94/304,848.20
  6. Step 6: Final answer
    x = 363,341.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.