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Finding the Fourth Proportional to 417,383.57, 626,101.55 and 117,887.60

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Solution

The fourth proportional to 417,383.57, 626,101.55 and 117,887.60 is: 176,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,383.57 : 626,101.55 = 117,887.60 : x
  2. Step 2: Convert to fraction form
    417,383.57/626,101.55 = 117,887.60/x
  3. Step 3: Cross multiply
    417,383.57x = 626,101.55 × 117,887.60
  4. Step 4: Simplify right side
    417,383.57x = 73,809,608,496.34
  5. Step 5: Solve for x
    x = 73,809,608,496.34/417,383.57
  6. Step 6: Final answer
    x = 176,838.80

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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.