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Finding the Fourth Proportional to 302,570.60, 453,078.30 and 223,255.40

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Solution

The fourth proportional to 302,570.60, 453,078.30 and 223,255.40 is: 334,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,570.60 : 453,078.30 = 223,255.40 : x
  2. Step 2: Convert to fraction form
    302,570.60/453,078.30 = 223,255.40/x
  3. Step 3: Cross multiply
    302,570.60x = 453,078.30 × 223,255.40
  4. Step 4: Simplify right side
    302,570.60x = 101,152,177,097.82
  5. Step 5: Solve for x
    x = 101,152,177,097.82/302,570.60
  6. Step 6: Final answer
    x = 334,309.34

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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.