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Finding the Fourth Proportional to 302,540.60, 453,033.30 and 223,225.40

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Solution

The fourth proportional to 302,540.60, 453,033.30 and 223,225.40 is: 334,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,540.60 : 453,033.30 = 223,225.40 : x
  2. Step 2: Convert to fraction form
    302,540.60/453,033.30 = 223,225.40/x
  3. Step 3: Cross multiply
    302,540.60x = 453,033.30 × 223,225.40
  4. Step 4: Simplify right side
    302,540.60x = 101,128,539,605.82
  5. Step 5: Solve for x
    x = 101,128,539,605.82/302,540.60
  6. Step 6: Final answer
    x = 334,264.36

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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.