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Finding the Fourth Proportional to 466,423.20, 699,807.60 and 449,143.20

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Solution

The fourth proportional to 466,423.20, 699,807.60 and 449,143.20 is: 673,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,423.20 : 699,807.60 = 449,143.20 : x
  2. Step 2: Convert to fraction form
    466,423.20/699,807.60 = 449,143.20/x
  3. Step 3: Cross multiply
    466,423.20x = 699,807.60 × 449,143.20
  4. Step 4: Simplify right side
    466,423.20x = 314,313,824,848.32
  5. Step 5: Solve for x
    x = 314,313,824,848.32/466,423.20
  6. Step 6: Final answer
    x = 673,881.20

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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.