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Finding the Fourth Proportional to 384,800.60, 577,200.90 and 225,368.30

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Solution

The fourth proportional to 384,800.60, 577,200.90 and 225,368.30 is: 338,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,800.60 : 577,200.90 = 225,368.30 : x
  2. Step 2: Convert to fraction form
    384,800.60/577,200.90 = 225,368.30/x
  3. Step 3: Cross multiply
    384,800.60x = 577,200.90 × 225,368.30
  4. Step 4: Simplify right side
    384,800.60x = 130,082,785,591.47
  5. Step 5: Solve for x
    x = 130,082,785,591.47/384,800.60
  6. Step 6: Final answer
    x = 338,052.45

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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.