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Finding the Fourth Proportional to 405,827.30, 608,740.95 and 184,211.30

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Solution

The fourth proportional to 405,827.30, 608,740.95 and 184,211.30 is: 276,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,827.30 : 608,740.95 = 184,211.30 : x
  2. Step 2: Convert to fraction form
    405,827.30/608,740.95 = 184,211.30/x
  3. Step 3: Cross multiply
    405,827.30x = 608,740.95 × 184,211.30
  4. Step 4: Simplify right side
    405,827.30x = 112,136,961,762.74
  5. Step 5: Solve for x
    x = 112,136,961,762.74/405,827.30
  6. Step 6: Final answer
    x = 276,316.95

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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.