Home / 304,920.90-457,381.35-198,632.70

Finding the Fourth Proportional to 304,920.90, 457,381.35 and 198,632.70

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Solution

The fourth proportional to 304,920.90, 457,381.35 and 198,632.70 is: 297,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,920.90 : 457,381.35 = 198,632.70 : x
  2. Step 2: Convert to fraction form
    304,920.90/457,381.35 = 198,632.70/x
  3. Step 3: Cross multiply
    304,920.90x = 457,381.35 × 198,632.70
  4. Step 4: Simplify right side
    304,920.90x = 90,850,892,480.15
  5. Step 5: Solve for x
    x = 90,850,892,480.15/304,920.90
  6. Step 6: Final answer
    x = 297,949.05

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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.