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Finding the Fourth Proportional to 312,448.69, 468,673.72 and 112,910.00

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Solution

The fourth proportional to 312,448.69, 468,673.72 and 112,910.00 is: 169,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,448.69 : 468,673.72 = 112,910.00 : x
  2. Step 2: Convert to fraction form
    312,448.69/468,673.72 = 112,910.00/x
  3. Step 3: Cross multiply
    312,448.69x = 468,673.72 × 112,910.00
  4. Step 4: Simplify right side
    312,448.69x = 52,917,950,053.41
  5. Step 5: Solve for x
    x = 52,917,950,053.41/312,448.69
  6. Step 6: Final answer
    x = 169,365.25

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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.