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Finding the Fourth Proportional to 366,975.80, 550,463.70 and 334,316.60

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Solution

The fourth proportional to 366,975.80, 550,463.70 and 334,316.60 is: 501,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,975.80 : 550,463.70 = 334,316.60 : x
  2. Step 2: Convert to fraction form
    366,975.80/550,463.70 = 334,316.60/x
  3. Step 3: Cross multiply
    366,975.80x = 550,463.70 × 334,316.60
  4. Step 4: Simplify right side
    366,975.80x = 184,029,152,607.42
  5. Step 5: Solve for x
    x = 184,029,152,607.42/366,975.80
  6. Step 6: Final answer
    x = 501,474.90

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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.