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Finding the Fourth Proportional to 573,428.80, 860,252.10 and 189,200.98

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Solution

The fourth proportional to 573,428.80, 860,252.10 and 189,200.98 is: 283,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,428.80 : 860,252.10 = 189,200.98 : x
  2. Step 2: Convert to fraction form
    573,428.80/860,252.10 = 189,200.98/x
  3. Step 3: Cross multiply
    573,428.80x = 860,252.10 × 189,200.98
  4. Step 4: Simplify right side
    573,428.80x = 162,760,540,367.06
  5. Step 5: Solve for x
    x = 162,760,540,367.06/573,428.80
  6. Step 6: Final answer
    x = 283,837.40

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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.