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Finding the Fourth Proportional to 360,063.36, 496,897.47 and 198,928.80

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Solution

The fourth proportional to 360,063.36, 496,897.47 and 198,928.80 is: 274,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,063.36 : 496,897.47 = 198,928.80 : x
  2. Step 2: Convert to fraction form
    360,063.36/496,897.47 = 198,928.80/x
  3. Step 3: Cross multiply
    360,063.36x = 496,897.47 × 198,928.80
  4. Step 4: Simplify right side
    360,063.36x = 98,847,217,430.14
  5. Step 5: Solve for x
    x = 98,847,217,430.14/360,063.36
  6. Step 6: Final answer
    x = 274,527.29

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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.