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Finding the Fourth Proportional to 375,557, 563,370.22 and 122,838.92

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Solution

The fourth proportional to 375,557, 563,370.22 and 122,838.92 is: 184,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,557 : 563,370.22 = 122,838.92 : x
  2. Step 2: Convert to fraction form
    375,557/563,370.22 = 122,838.92/x
  3. Step 3: Cross multiply
    375,557x = 563,370.22 × 122,838.92
  4. Step 4: Simplify right side
    375,557x = 69,203,789,384.96
  5. Step 5: Solve for x
    x = 69,203,789,384.96/375,557
  6. Step 6: Final answer
    x = 184,269.74

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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.