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Finding the Fourth Proportional to 570,593.60, 855,890.40 and 540,180.80

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Solution

The fourth proportional to 570,593.60, 855,890.40 and 540,180.80 is: 810,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,593.60 : 855,890.40 = 540,180.80 : x
  2. Step 2: Convert to fraction form
    570,593.60/855,890.40 = 540,180.80/x
  3. Step 3: Cross multiply
    570,593.60x = 855,890.40 × 540,180.80
  4. Step 4: Simplify right side
    570,593.60x = 462,335,560,984.32
  5. Step 5: Solve for x
    x = 462,335,560,984.32/570,593.60
  6. Step 6: Final answer
    x = 810,271.20

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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.