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Finding the Fourth Proportional to 463,627.60, 695,441.40 and 329,783.20

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Solution

The fourth proportional to 463,627.60, 695,441.40 and 329,783.20 is: 494,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,627.60 : 695,441.40 = 329,783.20 : x
  2. Step 2: Convert to fraction form
    463,627.60/695,441.40 = 329,783.20/x
  3. Step 3: Cross multiply
    463,627.60x = 695,441.40 × 329,783.20
  4. Step 4: Simplify right side
    463,627.60x = 229,344,890,304.48
  5. Step 5: Solve for x
    x = 229,344,890,304.48/463,627.60
  6. Step 6: Final answer
    x = 494,674.80

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Similar ratio
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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.