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Finding the Fourth Proportional to 329,901.40, 494,852.10 and 282,662.20

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Solution

The fourth proportional to 329,901.40, 494,852.10 and 282,662.20 is: 423,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,901.40 : 494,852.10 = 282,662.20 : x
  2. Step 2: Convert to fraction form
    329,901.40/494,852.10 = 282,662.20/x
  3. Step 3: Cross multiply
    329,901.40x = 494,852.10 × 282,662.20
  4. Step 4: Simplify right side
    329,901.40x = 139,875,983,260.62
  5. Step 5: Solve for x
    x = 139,875,983,260.62/329,901.40
  6. Step 6: Final answer
    x = 423,993.30

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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.