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Finding the Fourth Proportional to 554,736.60, 829,998.90 and 368,112.60

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Solution

The fourth proportional to 554,736.60, 829,998.90 and 368,112.60 is: 550,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,736.60 : 829,998.90 = 368,112.60 : x
  2. Step 2: Convert to fraction form
    554,736.60/829,998.90 = 368,112.60/x
  3. Step 3: Cross multiply
    554,736.60x = 829,998.90 × 368,112.60
  4. Step 4: Simplify right side
    554,736.60x = 305,533,053,076.14
  5. Step 5: Solve for x
    x = 305,533,053,076.14/554,736.60
  6. Step 6: Final answer
    x = 550,771.40

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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.