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Finding the Fourth Proportional to 302,803.80, 454,205.70 and 223,488.60

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Solution

The fourth proportional to 302,803.80, 454,205.70 and 223,488.60 is: 335,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,803.80 : 454,205.70 = 223,488.60 : x
  2. Step 2: Convert to fraction form
    302,803.80/454,205.70 = 223,488.60/x
  3. Step 3: Cross multiply
    302,803.80x = 454,205.70 × 223,488.60
  4. Step 4: Simplify right side
    302,803.80x = 101,509,796,005.02
  5. Step 5: Solve for x
    x = 101,509,796,005.02/302,803.80
  6. Step 6: Final answer
    x = 335,232.90

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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.