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Finding the Fourth Proportional to 329,130.20, 493,695.30 and 303,210.20

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Solution

The fourth proportional to 329,130.20, 493,695.30 and 303,210.20 is: 454,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,130.20 : 493,695.30 = 303,210.20 : x
  2. Step 2: Convert to fraction form
    329,130.20/493,695.30 = 303,210.20/x
  3. Step 3: Cross multiply
    329,130.20x = 493,695.30 × 303,210.20
  4. Step 4: Simplify right side
    329,130.20x = 149,693,450,652.06
  5. Step 5: Solve for x
    x = 149,693,450,652.06/329,130.20
  6. Step 6: Final answer
    x = 454,815.30

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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.