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Finding the Fourth Proportional to 463,487.60, 695,231.40 and 329,643.20

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Solution

The fourth proportional to 463,487.60, 695,231.40 and 329,643.20 is: 494,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,487.60 : 695,231.40 = 329,643.20 : x
  2. Step 2: Convert to fraction form
    463,487.60/695,231.40 = 329,643.20/x
  3. Step 3: Cross multiply
    463,487.60x = 695,231.40 × 329,643.20
  4. Step 4: Simplify right side
    463,487.60x = 229,178,303,436.48
  5. Step 5: Solve for x
    x = 229,178,303,436.48/463,487.60
  6. Step 6: Final answer
    x = 494,464.80

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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.