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Finding the Fourth Proportional to 573,535.09, 860,299.75 and 147,069.01

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Solution

The fourth proportional to 573,535.09, 860,299.75 and 147,069.01 is: 220,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,535.09 : 860,299.75 = 147,069.01 : x
  2. Step 2: Convert to fraction form
    573,535.09/860,299.75 = 147,069.01/x
  3. Step 3: Cross multiply
    573,535.09x = 860,299.75 × 147,069.01
  4. Step 4: Simplify right side
    573,535.09x = 126,523,432,535.75
  5. Step 5: Solve for x
    x = 126,523,432,535.75/573,535.09
  6. Step 6: Final answer
    x = 220,602.78

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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.