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Finding the Fourth Proportional to 605,428.40, 908,142.60 and 184,703.60

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Solution

The fourth proportional to 605,428.40, 908,142.60 and 184,703.60 is: 277,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,428.40 : 908,142.60 = 184,703.60 : x
  2. Step 2: Convert to fraction form
    605,428.40/908,142.60 = 184,703.60/x
  3. Step 3: Cross multiply
    605,428.40x = 908,142.60 × 184,703.60
  4. Step 4: Simplify right side
    605,428.40x = 167,737,207,533.36
  5. Step 5: Solve for x
    x = 167,737,207,533.36/605,428.40
  6. Step 6: Final answer
    x = 277,055.40

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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.