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Finding the Fourth Proportional to 448,713.60, 673,070.40 and 271,566.60

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Solution

The fourth proportional to 448,713.60, 673,070.40 and 271,566.60 is: 407,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,713.60 : 673,070.40 = 271,566.60 : x
  2. Step 2: Convert to fraction form
    448,713.60/673,070.40 = 271,566.60/x
  3. Step 3: Cross multiply
    448,713.60x = 673,070.40 × 271,566.60
  4. Step 4: Simplify right side
    448,713.60x = 182,783,440,088.64
  5. Step 5: Solve for x
    x = 182,783,440,088.64/448,713.60
  6. Step 6: Final answer
    x = 407,349.90

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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.