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Finding the Fourth Proportional to 235,432.20, 353,148.30 and 204,328.20

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Solution

The fourth proportional to 235,432.20, 353,148.30 and 204,328.20 is: 306,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,432.20 : 353,148.30 = 204,328.20 : x
  2. Step 2: Convert to fraction form
    235,432.20/353,148.30 = 204,328.20/x
  3. Step 3: Cross multiply
    235,432.20x = 353,148.30 × 204,328.20
  4. Step 4: Simplify right side
    235,432.20x = 72,158,156,472.06
  5. Step 5: Solve for x
    x = 72,158,156,472.06/235,432.20
  6. Step 6: Final answer
    x = 306,492.30

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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.