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Finding the Fourth Proportional to 384,717.70, 577,076.55 and 366,346.90

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Solution

The fourth proportional to 384,717.70, 577,076.55 and 366,346.90 is: 549,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,717.70 : 577,076.55 = 366,346.90 : x
  2. Step 2: Convert to fraction form
    384,717.70/577,076.55 = 366,346.90/x
  3. Step 3: Cross multiply
    384,717.70x = 577,076.55 × 366,346.90
  4. Step 4: Simplify right side
    384,717.70x = 211,410,205,155.20
  5. Step 5: Solve for x
    x = 211,410,205,155.20/384,717.70
  6. Step 6: Final answer
    x = 549,520.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.