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Finding the Fourth Proportional to 364,574.40, 546,861.60 and 222,856.80

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Solution

The fourth proportional to 364,574.40, 546,861.60 and 222,856.80 is: 334,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,574.40 : 546,861.60 = 222,856.80 : x
  2. Step 2: Convert to fraction form
    364,574.40/546,861.60 = 222,856.80/x
  3. Step 3: Cross multiply
    364,574.40x = 546,861.60 × 222,856.80
  4. Step 4: Simplify right side
    364,574.40x = 121,871,826,218.88
  5. Step 5: Solve for x
    x = 121,871,826,218.88/364,574.40
  6. Step 6: Final answer
    x = 334,285.20

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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.