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Finding the Fourth Proportional to 675,630.84, 931,964.32 and 446,190.24

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Solution

The fourth proportional to 675,630.84, 931,964.32 and 446,190.24 is: 615,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,630.84 : 931,964.32 = 446,190.24 : x
  2. Step 2: Convert to fraction form
    675,630.84/931,964.32 = 446,190.24/x
  3. Step 3: Cross multiply
    675,630.84x = 931,964.32 × 446,190.24
  4. Step 4: Simplify right side
    675,630.84x = 415,833,383,612.24
  5. Step 5: Solve for x
    x = 415,833,383,612.24/675,630.84
  6. Step 6: Final answer
    x = 615,474.25

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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.