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Finding the Fourth Proportional to 531,913.76, 798,020.76 and 216,596.96

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Solution

The fourth proportional to 531,913.76, 798,020.76 and 216,596.96 is: 324,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,913.76 : 798,020.76 = 216,596.96 : x
  2. Step 2: Convert to fraction form
    531,913.76/798,020.76 = 216,596.96/x
  3. Step 3: Cross multiply
    531,913.76x = 798,020.76 × 216,596.96
  4. Step 4: Simplify right side
    531,913.76x = 172,848,870,632.89
  5. Step 5: Solve for x
    x = 172,848,870,632.89/531,913.76
  6. Step 6: Final answer
    x = 324,956.57

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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.