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Finding the Fourth Proportional to 384,925.32, 577,350.86 and 118,614.33

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Solution

The fourth proportional to 384,925.32, 577,350.86 and 118,614.33 is: 177,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,925.32 : 577,350.86 = 118,614.33 : x
  2. Step 2: Convert to fraction form
    384,925.32/577,350.86 = 118,614.33/x
  3. Step 3: Cross multiply
    384,925.32x = 577,350.86 × 118,614.33
  4. Step 4: Simplify right side
    384,925.32x = 68,482,084,840.75
  5. Step 5: Solve for x
    x = 68,482,084,840.75/384,925.32
  6. Step 6: Final answer
    x = 177,910.05

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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.