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Finding the Fourth Proportional to 599,878.70, 899,688.45 and 262,918.70

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Solution

The fourth proportional to 599,878.70, 899,688.45 and 262,918.70 is: 394,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,878.70 : 899,688.45 = 262,918.70 : x
  2. Step 2: Convert to fraction form
    599,878.70/899,688.45 = 262,918.70/x
  3. Step 3: Cross multiply
    599,878.70x = 899,688.45 × 262,918.70
  4. Step 4: Simplify right side
    599,878.70x = 236,544,917,679.02
  5. Step 5: Solve for x
    x = 236,544,917,679.02/599,878.70
  6. Step 6: Final answer
    x = 394,321.25

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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.