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Finding the Fourth Proportional to 375,434.28, 563,104.44 and 122,693.64

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Solution

The fourth proportional to 375,434.28, 563,104.44 and 122,693.64 is: 184,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,434.28 : 563,104.44 = 122,693.64 : x
  2. Step 2: Convert to fraction form
    375,434.28/563,104.44 = 122,693.64/x
  3. Step 3: Cross multiply
    375,434.28x = 563,104.44 × 122,693.64
  4. Step 4: Simplify right side
    375,434.28x = 69,089,333,443.76
  5. Step 5: Solve for x
    x = 69,089,333,443.76/375,434.28
  6. Step 6: Final answer
    x = 184,025.11

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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.