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Finding the Fourth Proportional to 662,692.60, 994,557.30 and 307,750.60

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Solution

The fourth proportional to 662,692.60, 994,557.30 and 307,750.60 is: 461,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,692.60 : 994,557.30 = 307,750.60 : x
  2. Step 2: Convert to fraction form
    662,692.60/994,557.30 = 307,750.60/x
  3. Step 3: Cross multiply
    662,692.60x = 994,557.30 × 307,750.60
  4. Step 4: Simplify right side
    662,692.60x = 306,075,605,809.38
  5. Step 5: Solve for x
    x = 306,075,605,809.38/662,692.60
  6. Step 6: Final answer
    x = 461,866.64

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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.