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Finding the Fourth Proportional to 580,772, 798,977.04 and 555,888.80

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Solution

The fourth proportional to 580,772, 798,977.04 and 555,888.80 is: 764,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,772 : 798,977.04 = 555,888.80 : x
  2. Step 2: Convert to fraction form
    580,772/798,977.04 = 555,888.80/x
  3. Step 3: Cross multiply
    580,772x = 798,977.04 × 555,888.80
  4. Step 4: Simplify right side
    580,772x = 444,142,387,993.15
  5. Step 5: Solve for x
    x = 444,142,387,993.15/580,772
  6. Step 6: Final answer
    x = 764,744.84

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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.