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Finding the Fourth Proportional to 622,534.80, 933,802.20 and 569,390.70

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Solution

The fourth proportional to 622,534.80, 933,802.20 and 569,390.70 is: 854,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,534.80 : 933,802.20 = 569,390.70 : x
  2. Step 2: Convert to fraction form
    622,534.80/933,802.20 = 569,390.70/x
  3. Step 3: Cross multiply
    622,534.80x = 933,802.20 × 569,390.70
  4. Step 4: Simplify right side
    622,534.80x = 531,698,288,319.54
  5. Step 5: Solve for x
    x = 531,698,288,319.54/622,534.80
  6. Step 6: Final answer
    x = 854,086.05

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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.