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Finding the Fourth Proportional to 860,620, 1,187,655.60 and 502,924

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Solution

The fourth proportional to 860,620, 1,187,655.60 and 502,924 is: 694,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,620 : 1,187,655.60 = 502,924 : x
  2. Step 2: Convert to fraction form
    860,620/1,187,655.60 = 502,924/x
  3. Step 3: Cross multiply
    860,620x = 1,187,655.60 × 502,924
  4. Step 4: Simplify right side
    860,620x = 597,300,504,974.40
  5. Step 5: Solve for x
    x = 597,300,504,974.40/860,620
  6. Step 6: Final answer
    x = 694,035.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.