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Finding the Fourth Proportional to 654,562.02, 903,289.92 and 368,076

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Solution

The fourth proportional to 654,562.02, 903,289.92 and 368,076 is: 507,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,562.02 : 903,289.92 = 368,076 : x
  2. Step 2: Convert to fraction form
    654,562.02/903,289.92 = 368,076/x
  3. Step 3: Cross multiply
    654,562.02x = 903,289.92 × 368,076
  4. Step 4: Simplify right side
    654,562.02x = 332,479,340,593.92
  5. Step 5: Solve for x
    x = 332,479,340,593.92/654,562.02
  6. Step 6: Final answer
    x = 507,941.69

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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.