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Finding the Fourth Proportional to 531,200.14, 733,030.08 and 289,481.98

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Solution

The fourth proportional to 531,200.14, 733,030.08 and 289,481.98 is: 399,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,200.14 : 733,030.08 = 289,481.98 : x
  2. Step 2: Convert to fraction form
    531,200.14/733,030.08 = 289,481.98/x
  3. Step 3: Cross multiply
    531,200.14x = 733,030.08 × 289,481.98
  4. Step 4: Simplify right side
    531,200.14x = 212,198,998,957.96
  5. Step 5: Solve for x
    x = 212,198,998,957.96/531,200.14
  6. Step 6: Final answer
    x = 399,470.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.