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Finding the Fourth Proportional to 405,846.80, 608,770.20 and 184,230.80

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Solution

The fourth proportional to 405,846.80, 608,770.20 and 184,230.80 is: 276,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,846.80 : 608,770.20 = 184,230.80 : x
  2. Step 2: Convert to fraction form
    405,846.80/608,770.20 = 184,230.80/x
  3. Step 3: Cross multiply
    405,846.80x = 608,770.20 × 184,230.80
  4. Step 4: Simplify right side
    405,846.80x = 112,154,220,962.16
  5. Step 5: Solve for x
    x = 112,154,220,962.16/405,846.80
  6. Step 6: Final answer
    x = 276,346.20

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1.5x scale

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.