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Finding the Fourth Proportional to 302,959.80, 454,148.10 and 235,454.40

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Solution

The fourth proportional to 302,959.80, 454,148.10 and 235,454.40 is: 352,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,959.80 : 454,148.10 = 235,454.40 : x
  2. Step 2: Convert to fraction form
    302,959.80/454,148.10 = 235,454.40/x
  3. Step 3: Cross multiply
    302,959.80x = 454,148.10 × 235,454.40
  4. Step 4: Simplify right side
    302,959.80x = 106,931,168,396.64
  5. Step 5: Solve for x
    x = 106,931,168,396.64/302,959.80
  6. Step 6: Final answer
    x = 352,954.97

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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.