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Finding the Fourth Proportional to 364,586.40, 546,879.60 and 222,868.80

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Solution

The fourth proportional to 364,586.40, 546,879.60 and 222,868.80 is: 334,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,586.40 : 546,879.60 = 222,868.80 : x
  2. Step 2: Convert to fraction form
    364,586.40/546,879.60 = 222,868.80/x
  3. Step 3: Cross multiply
    364,586.40x = 546,879.60 × 222,868.80
  4. Step 4: Simplify right side
    364,586.40x = 121,882,400,196.48
  5. Step 5: Solve for x
    x = 121,882,400,196.48/364,586.40
  6. Step 6: Final answer
    x = 334,303.20

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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.