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Finding the Fourth Proportional to 292,703.58, 439,004.34 and 82,291.50

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Solution

The fourth proportional to 292,703.58, 439,004.34 and 82,291.50 is: 123,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,703.58 : 439,004.34 = 82,291.50 : x
  2. Step 2: Convert to fraction form
    292,703.58/439,004.34 = 82,291.50/x
  3. Step 3: Cross multiply
    292,703.58x = 439,004.34 × 82,291.50
  4. Step 4: Simplify right side
    292,703.58x = 36,126,325,645.11
  5. Step 5: Solve for x
    x = 36,126,325,645.11/292,703.58
  6. Step 6: Final answer
    x = 123,422.90

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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.