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Finding the Fourth Proportional to 360,068.36, 496,904.38 and 198,933.80

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Solution

The fourth proportional to 360,068.36, 496,904.38 and 198,933.80 is: 274,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,068.36 : 496,904.38 = 198,933.80 : x
  2. Step 2: Convert to fraction form
    360,068.36/496,904.38 = 198,933.80/x
  3. Step 3: Cross multiply
    360,068.36x = 496,904.38 × 198,933.80
  4. Step 4: Simplify right side
    360,068.36x = 98,851,076,550.04
  5. Step 5: Solve for x
    x = 98,851,076,550.04/360,068.36
  6. Step 6: Final answer
    x = 274,534.19

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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.