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Finding the Fourth Proportional to 500,673.16, 751,055.94 and 163,715.56

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Solution

The fourth proportional to 500,673.16, 751,055.94 and 163,715.56 is: 245,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,673.16 : 751,055.94 = 163,715.56 : x
  2. Step 2: Convert to fraction form
    500,673.16/751,055.94 = 163,715.56/x
  3. Step 3: Cross multiply
    500,673.16x = 751,055.94 × 163,715.56
  4. Step 4: Simplify right side
    500,673.16x = 122,959,543,808.43
  5. Step 5: Solve for x
    x = 122,959,543,808.43/500,673.16
  6. Step 6: Final answer
    x = 245,588.45

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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.