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Finding the Fourth Proportional to 247,416.30, 371,124.45 and 184,430.70

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Solution

The fourth proportional to 247,416.30, 371,124.45 and 184,430.70 is: 276,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,416.30 : 371,124.45 = 184,430.70 : x
  2. Step 2: Convert to fraction form
    247,416.30/371,124.45 = 184,430.70/x
  3. Step 3: Cross multiply
    247,416.30x = 371,124.45 × 184,430.70
  4. Step 4: Simplify right side
    247,416.30x = 68,446,742,100.62
  5. Step 5: Solve for x
    x = 68,446,742,100.62/247,416.30
  6. Step 6: Final answer
    x = 276,646.05

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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.