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Finding the Fourth Proportional to 531,267.47, 733,127.73 and 289,544.84

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Solution

The fourth proportional to 531,267.47, 733,127.73 and 289,544.84 is: 399,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,267.47 : 733,127.73 = 289,544.84 : x
  2. Step 2: Convert to fraction form
    531,267.47/733,127.73 = 289,544.84/x
  3. Step 3: Cross multiply
    531,267.47x = 733,127.73 × 289,544.84
  4. Step 4: Simplify right side
    531,267.47x = 212,273,352,029.44
  5. Step 5: Solve for x
    x = 212,273,352,029.44/531,267.47
  6. Step 6: Final answer
    x = 399,560.23

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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.