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Finding the Fourth Proportional to 377,316.80, 565,975.20 and 344,657.60

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Solution

The fourth proportional to 377,316.80, 565,975.20 and 344,657.60 is: 516,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,316.80 : 565,975.20 = 344,657.60 : x
  2. Step 2: Convert to fraction form
    377,316.80/565,975.20 = 344,657.60/x
  3. Step 3: Cross multiply
    377,316.80x = 565,975.20 × 344,657.60
  4. Step 4: Simplify right side
    377,316.80x = 195,067,654,091.52
  5. Step 5: Solve for x
    x = 195,067,654,091.52/377,316.80
  6. Step 6: Final answer
    x = 516,986.40

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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.