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Finding the Fourth Proportional to 255,162.69, 352,187.01 and 197,688.33

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Solution

The fourth proportional to 255,162.69, 352,187.01 and 197,688.33 is: 272,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,162.69 : 352,187.01 = 197,688.33 : x
  2. Step 2: Convert to fraction form
    255,162.69/352,187.01 = 197,688.33/x
  3. Step 3: Cross multiply
    255,162.69x = 352,187.01 × 197,688.33
  4. Step 4: Simplify right side
    255,162.69x = 69,623,261,854.59
  5. Step 5: Solve for x
    x = 69,623,261,854.59/255,162.69
  6. Step 6: Final answer
    x = 272,858.32

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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.