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Finding the Fourth Proportional to 445,848.60, 668,859.30 and 224,232.60

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Solution

The fourth proportional to 445,848.60, 668,859.30 and 224,232.60 is: 336,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,848.60 : 668,859.30 = 224,232.60 : x
  2. Step 2: Convert to fraction form
    445,848.60/668,859.30 = 224,232.60/x
  3. Step 3: Cross multiply
    445,848.60x = 668,859.30 × 224,232.60
  4. Step 4: Simplify right side
    445,848.60x = 149,980,059,873.18
  5. Step 5: Solve for x
    x = 149,980,059,873.18/445,848.60
  6. Step 6: Final answer
    x = 336,392.35

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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.