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Finding the Fourth Proportional to 329,068.20, 493,602.30 and 303,148.20

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Solution

The fourth proportional to 329,068.20, 493,602.30 and 303,148.20 is: 454,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,068.20 : 493,602.30 = 303,148.20 : x
  2. Step 2: Convert to fraction form
    329,068.20/493,602.30 = 303,148.20/x
  3. Step 3: Cross multiply
    329,068.20x = 493,602.30 × 303,148.20
  4. Step 4: Simplify right side
    329,068.20x = 149,634,648,760.86
  5. Step 5: Solve for x
    x = 149,634,648,760.86/329,068.20
  6. Step 6: Final answer
    x = 454,722.30

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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.