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Finding the Fourth Proportional to 302,058.60, 453,606.30 and 213,930.60

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Solution

The fourth proportional to 302,058.60, 453,606.30 and 213,930.60 is: 321,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,058.60 : 453,606.30 = 213,930.60 : x
  2. Step 2: Convert to fraction form
    302,058.60/453,606.30 = 213,930.60/x
  3. Step 3: Cross multiply
    302,058.60x = 453,606.30 × 213,930.60
  4. Step 4: Simplify right side
    302,058.60x = 97,040,267,922.78
  5. Step 5: Solve for x
    x = 97,040,267,922.78/302,058.60
  6. Step 6: Final answer
    x = 321,263.05

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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.