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Finding the Fourth Proportional to 570,403.20, 855,316.48 and 333,816.96

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Solution

The fourth proportional to 570,403.20, 855,316.48 and 333,816.96 is: 500,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,403.20 : 855,316.48 = 333,816.96 : x
  2. Step 2: Convert to fraction form
    570,403.20/855,316.48 = 333,816.96/x
  3. Step 3: Cross multiply
    570,403.20x = 855,316.48 × 333,816.96
  4. Step 4: Simplify right side
    570,403.20x = 285,519,147,191.50
  5. Step 5: Solve for x
    x = 285,519,147,191.50/570,403.20
  6. Step 6: Final answer
    x = 500,556.71

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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.