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Finding the Fourth Proportional to 302,527.20, 453,790.80 and 202,994.40

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Solution

The fourth proportional to 302,527.20, 453,790.80 and 202,994.40 is: 304,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,527.20 : 453,790.80 = 202,994.40 : x
  2. Step 2: Convert to fraction form
    302,527.20/453,790.80 = 202,994.40/x
  3. Step 3: Cross multiply
    302,527.20x = 453,790.80 × 202,994.40
  4. Step 4: Simplify right side
    302,527.20x = 92,116,991,171.52
  5. Step 5: Solve for x
    x = 92,116,991,171.52/302,527.20
  6. Step 6: Final answer
    x = 304,491.60

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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.