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Finding the Fourth Proportional to 619,051.80, 928,577.70 and 565,907.70

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Solution

The fourth proportional to 619,051.80, 928,577.70 and 565,907.70 is: 848,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,051.80 : 928,577.70 = 565,907.70 : x
  2. Step 2: Convert to fraction form
    619,051.80/928,577.70 = 565,907.70/x
  3. Step 3: Cross multiply
    619,051.80x = 928,577.70 × 565,907.70
  4. Step 4: Simplify right side
    619,051.80x = 525,489,270,478.29
  5. Step 5: Solve for x
    x = 525,489,270,478.29/619,051.80
  6. Step 6: Final answer
    x = 848,861.55

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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.