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Finding the Fourth Proportional to 558,616.32, 838,055.68 and 184,639.28

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Solution

The fourth proportional to 558,616.32, 838,055.68 and 184,639.28 is: 277,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,616.32 : 838,055.68 = 184,639.28 : x
  2. Step 2: Convert to fraction form
    558,616.32/838,055.68 = 184,639.28/x
  3. Step 3: Cross multiply
    558,616.32x = 838,055.68 × 184,639.28
  4. Step 4: Simplify right side
    558,616.32x = 154,737,997,355.11
  5. Step 5: Solve for x
    x = 154,737,997,355.11/558,616.32
  6. Step 6: Final answer
    x = 277,002.29

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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.