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Finding the Fourth Proportional to 682,635.94, 942,038.00 and 380,829.94

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Solution

The fourth proportional to 682,635.94, 942,038.00 and 380,829.94 is: 525,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,635.94 : 942,038.00 = 380,829.94 : x
  2. Step 2: Convert to fraction form
    682,635.94/942,038.00 = 380,829.94/x
  3. Step 3: Cross multiply
    682,635.94x = 942,038.00 × 380,829.94
  4. Step 4: Simplify right side
    682,635.94x = 358,756,272,186.59
  5. Step 5: Solve for x
    x = 358,756,272,186.59/682,635.94
  6. Step 6: Final answer
    x = 525,545.54

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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.