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Finding the Fourth Proportional to 375,508.91, 563,298.01 and 122,790.71

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Solution

The fourth proportional to 375,508.91, 563,298.01 and 122,790.71 is: 184,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,508.91 : 563,298.01 = 122,790.71 : x
  2. Step 2: Convert to fraction form
    375,508.91/563,298.01 = 122,790.71/x
  3. Step 3: Cross multiply
    375,508.91x = 563,298.01 × 122,790.71
  4. Step 4: Simplify right side
    375,508.91x = 69,167,759,466.02
  5. Step 5: Solve for x
    x = 69,167,759,466.02/375,508.91
  6. Step 6: Final answer
    x = 184,197.38

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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.