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Finding the Fourth Proportional to 695,313.78, 959,546.61 and 453,750.90

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Solution

The fourth proportional to 695,313.78, 959,546.61 and 453,750.90 is: 626,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,313.78 : 959,546.61 = 453,750.90 : x
  2. Step 2: Convert to fraction form
    695,313.78/959,546.61 = 453,750.90/x
  3. Step 3: Cross multiply
    695,313.78x = 959,546.61 × 453,750.90
  4. Step 4: Simplify right side
    695,313.78x = 435,395,137,879.45
  5. Step 5: Solve for x
    x = 435,395,137,879.45/695,313.78
  6. Step 6: Final answer
    x = 626,185.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.