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Finding the Fourth Proportional to 531,267.72, 733,144.82 and 289,550.24

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Solution

The fourth proportional to 531,267.72, 733,144.82 and 289,550.24 is: 399,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,267.72 : 733,144.82 = 289,550.24 : x
  2. Step 2: Convert to fraction form
    531,267.72/733,144.82 = 289,550.24/x
  3. Step 3: Cross multiply
    531,267.72x = 733,144.82 × 289,550.24
  4. Step 4: Simplify right side
    531,267.72x = 212,282,258,585.76
  5. Step 5: Solve for x
    x = 212,282,258,585.76/531,267.72
  6. Step 6: Final answer
    x = 399,576.81

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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.