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Finding the Fourth Proportional to 382,615.60, 573,923.40 and 314,964.40

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Solution

The fourth proportional to 382,615.60, 573,923.40 and 314,964.40 is: 472,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,615.60 : 573,923.40 = 314,964.40 : x
  2. Step 2: Convert to fraction form
    382,615.60/573,923.40 = 314,964.40/x
  3. Step 3: Cross multiply
    382,615.60x = 573,923.40 × 314,964.40
  4. Step 4: Simplify right side
    382,615.60x = 180,765,439,326.96
  5. Step 5: Solve for x
    x = 180,765,439,326.96/382,615.60
  6. Step 6: Final answer
    x = 472,446.60

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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.