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Finding the Fourth Proportional to 443,527.60, 665,145.60 and 163,008.40

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Solution

The fourth proportional to 443,527.60, 665,145.60 and 163,008.40 is: 244,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,527.60 : 665,145.60 = 163,008.40 : x
  2. Step 2: Convert to fraction form
    443,527.60/665,145.60 = 163,008.40/x
  3. Step 3: Cross multiply
    443,527.60x = 665,145.60 × 163,008.40
  4. Step 4: Simplify right side
    443,527.60x = 108,424,320,023.04
  5. Step 5: Solve for x
    x = 108,424,320,023.04/443,527.60
  6. Step 6: Final answer
    x = 244,459.01

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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.