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Finding the Fourth Proportional to 674,236.00, 930,404.36 and 368,250.40

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Solution

The fourth proportional to 674,236.00, 930,404.36 and 368,250.40 is: 508,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,236.00 : 930,404.36 = 368,250.40 : x
  2. Step 2: Convert to fraction form
    674,236.00/930,404.36 = 368,250.40/x
  3. Step 3: Cross multiply
    674,236.00x = 930,404.36 × 368,250.40
  4. Step 4: Simplify right side
    674,236.00x = 342,621,771,238.47
  5. Step 5: Solve for x
    x = 342,621,771,238.47/674,236.00
  6. Step 6: Final answer
    x = 508,162.98

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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.