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Finding the Fourth Proportional to 573,888.80, 860,799.99 and 218,938.70

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Solution

The fourth proportional to 573,888.80, 860,799.99 and 218,938.70 is: 328,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,888.80 : 860,799.99 = 218,938.70 : x
  2. Step 2: Convert to fraction form
    573,888.80/860,799.99 = 218,938.70/x
  3. Step 3: Cross multiply
    573,888.80x = 860,799.99 × 218,938.70
  4. Step 4: Simplify right side
    573,888.80x = 188,462,430,770.61
  5. Step 5: Solve for x
    x = 188,462,430,770.61/573,888.80
  6. Step 6: Final answer
    x = 328,395.38

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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.