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Finding the Fourth Proportional to 531,551.80, 797,366.10 and 176,812.60

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Solution

The fourth proportional to 531,551.80, 797,366.10 and 176,812.60 is: 265,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,551.80 : 797,366.10 = 176,812.60 : x
  2. Step 2: Convert to fraction form
    531,551.80/797,366.10 = 176,812.60/x
  3. Step 3: Cross multiply
    531,551.80x = 797,366.10 × 176,812.60
  4. Step 4: Simplify right side
    531,551.80x = 140,984,373,292.86
  5. Step 5: Solve for x
    x = 140,984,373,292.86/531,551.80
  6. Step 6: Final answer
    x = 265,231.67

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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.