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Finding the Fourth Proportional to 292,884.79, 439,501.77 and 130,766.25

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Solution

The fourth proportional to 292,884.79, 439,501.77 and 130,766.25 is: 196,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,884.79 : 439,501.77 = 130,766.25 : x
  2. Step 2: Convert to fraction form
    292,884.79/439,501.77 = 130,766.25/x
  3. Step 3: Cross multiply
    292,884.79x = 439,501.77 × 130,766.25
  4. Step 4: Simplify right side
    292,884.79x = 57,471,999,555.60
  5. Step 5: Solve for x
    x = 57,471,999,555.60/292,884.79
  6. Step 6: Final answer
    x = 196,227.33

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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.