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Finding the Fourth Proportional to 272,655.20, 409,420.20 and 184,300.40

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Solution

The fourth proportional to 272,655.20, 409,420.20 and 184,300.40 is: 276,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,655.20 : 409,420.20 = 184,300.40 : x
  2. Step 2: Convert to fraction form
    272,655.20/409,420.20 = 184,300.40/x
  3. Step 3: Cross multiply
    272,655.20x = 409,420.20 × 184,300.40
  4. Step 4: Simplify right side
    272,655.20x = 75,456,306,628.08
  5. Step 5: Solve for x
    x = 75,456,306,628.08/272,655.20
  6. Step 6: Final answer
    x = 276,746.26

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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.