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Finding the Fourth Proportional to 593,785, 819,423.30 and 325,513

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Solution

The fourth proportional to 593,785, 819,423.30 and 325,513 is: 449,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,785 : 819,423.30 = 325,513 : x
  2. Step 2: Convert to fraction form
    593,785/819,423.30 = 325,513/x
  3. Step 3: Cross multiply
    593,785x = 819,423.30 × 325,513
  4. Step 4: Simplify right side
    593,785x = 266,732,936,652.90
  5. Step 5: Solve for x
    x = 266,732,936,652.90/593,785
  6. Step 6: Final answer
    x = 449,207.94

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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.