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Finding the Fourth Proportional to 570,972.80, 855,537.60 and 360,233.60

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Solution

The fourth proportional to 570,972.80, 855,537.60 and 360,233.60 is: 539,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,972.80 : 855,537.60 = 360,233.60 : x
  2. Step 2: Convert to fraction form
    570,972.80/855,537.60 = 360,233.60/x
  3. Step 3: Cross multiply
    570,972.80x = 855,537.60 × 360,233.60
  4. Step 4: Simplify right side
    570,972.80x = 308,193,389,583.36
  5. Step 5: Solve for x
    x = 308,193,389,583.36/570,972.80
  6. Step 6: Final answer
    x = 539,768.95

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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.