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Finding the Fourth Proportional to 375,497.84, 563,253.96 and 122,779.28

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Solution

The fourth proportional to 375,497.84, 563,253.96 and 122,779.28 is: 184,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,497.84 : 563,253.96 = 122,779.28 : x
  2. Step 2: Convert to fraction form
    375,497.84/563,253.96 = 122,779.28/x
  3. Step 3: Cross multiply
    375,497.84x = 563,253.96 × 122,779.28
  4. Step 4: Simplify right side
    375,497.84x = 69,155,915,665.95
  5. Step 5: Solve for x
    x = 69,155,915,665.95/375,497.84
  6. Step 6: Final answer
    x = 184,171.27

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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.