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Finding the Fourth Proportional to 531,022.02, 732,806.56 and 289,304.52

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Solution

The fourth proportional to 531,022.02, 732,806.56 and 289,304.52 is: 399,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,022.02 : 732,806.56 = 289,304.52 : x
  2. Step 2: Convert to fraction form
    531,022.02/732,806.56 = 289,304.52/x
  3. Step 3: Cross multiply
    531,022.02x = 732,806.56 × 289,304.52
  4. Step 4: Simplify right side
    531,022.02x = 212,004,250,093.65
  5. Step 5: Solve for x
    x = 212,004,250,093.65/531,022.02
  6. Step 6: Final answer
    x = 399,238.15

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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.