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Finding the Fourth Proportional to 492,297.96, 674,940.75 and 483,330.36

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Solution

The fourth proportional to 492,297.96, 674,940.75 and 483,330.36 is: 662,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,297.96 : 674,940.75 = 483,330.36 : x
  2. Step 2: Convert to fraction form
    492,297.96/674,940.75 = 483,330.36/x
  3. Step 3: Cross multiply
    492,297.96x = 674,940.75 × 483,330.36
  4. Step 4: Simplify right side
    492,297.96x = 326,219,355,676.17
  5. Step 5: Solve for x
    x = 326,219,355,676.17/492,297.96
  6. Step 6: Final answer
    x = 662,646.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.