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Finding the Fourth Proportional to 511,069.92, 704,890.80 and 480,933.60

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Solution

The fourth proportional to 511,069.92, 704,890.80 and 480,933.60 is: 663,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,069.92 : 704,890.80 = 480,933.60 : x
  2. Step 2: Convert to fraction form
    511,069.92/704,890.80 = 480,933.60/x
  3. Step 3: Cross multiply
    511,069.92x = 704,890.80 × 480,933.60
  4. Step 4: Simplify right side
    511,069.92x = 339,005,670,050.88
  5. Step 5: Solve for x
    x = 339,005,670,050.88/511,069.92
  6. Step 6: Final answer
    x = 663,325.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.