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Finding the Fourth Proportional to 292,610.95, 438,850.66 and 174,315.91

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Solution

The fourth proportional to 292,610.95, 438,850.66 and 174,315.91 is: 261,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,610.95 : 438,850.66 = 174,315.91 : x
  2. Step 2: Convert to fraction form
    292,610.95/438,850.66 = 174,315.91/x
  3. Step 3: Cross multiply
    292,610.95x = 438,850.66 × 174,315.91
  4. Step 4: Simplify right side
    292,610.95x = 76,498,652,152.00
  5. Step 5: Solve for x
    x = 76,498,652,152.00/292,610.95
  6. Step 6: Final answer
    x = 261,434.69

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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.