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Finding the Fourth Proportional to 481,800.60, 665,209.61 and 430,649.42

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Solution

The fourth proportional to 481,800.60, 665,209.61 and 430,649.42 is: 594,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,800.60 : 665,209.61 = 430,649.42 : x
  2. Step 2: Convert to fraction form
    481,800.60/665,209.61 = 430,649.42/x
  3. Step 3: Cross multiply
    481,800.60x = 665,209.61 × 430,649.42
  4. Step 4: Simplify right side
    481,800.60x = 286,472,127,245.63
  5. Step 5: Solve for x
    x = 286,472,127,245.63/481,800.60
  6. Step 6: Final answer
    x = 594,586.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.