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Finding the Fourth Proportional to 673,684.69, 929,652.22 and 383,268.91

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Solution

The fourth proportional to 673,684.69, 929,652.22 and 383,268.91 is: 528,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,684.69 : 929,652.22 = 383,268.91 : x
  2. Step 2: Convert to fraction form
    673,684.69/929,652.22 = 383,268.91/x
  3. Step 3: Cross multiply
    673,684.69x = 929,652.22 × 383,268.91
  4. Step 4: Simplify right side
    673,684.69x = 356,306,793,038.48
  5. Step 5: Solve for x
    x = 356,306,793,038.48/673,684.69
  6. Step 6: Final answer
    x = 528,892.52

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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.