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Finding the Fourth Proportional to 531,670, 797,836.99 and 354,301.46

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Solution

The fourth proportional to 531,670, 797,836.99 and 354,301.46 is: 531,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,670 : 797,836.99 = 354,301.46 : x
  2. Step 2: Convert to fraction form
    531,670/797,836.99 = 354,301.46/x
  3. Step 3: Cross multiply
    531,670x = 797,836.99 × 354,301.46
  4. Step 4: Simplify right side
    531,670x = 282,674,810,399.01
  5. Step 5: Solve for x
    x = 282,674,810,399.01/531,670
  6. Step 6: Final answer
    x = 531,673.43

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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.