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Finding the Fourth Proportional to 534,493.54, 801,740.31 and 218,893.06

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Solution

The fourth proportional to 534,493.54, 801,740.31 and 218,893.06 is: 328,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,493.54 : 801,740.31 = 218,893.06 : x
  2. Step 2: Convert to fraction form
    534,493.54/801,740.31 = 218,893.06/x
  3. Step 3: Cross multiply
    534,493.54x = 801,740.31 × 218,893.06
  4. Step 4: Simplify right side
    534,493.54x = 175,495,389,781.25
  5. Step 5: Solve for x
    x = 175,495,389,781.25/534,493.54
  6. Step 6: Final answer
    x = 328,339.59

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1.5x scale

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.