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Finding the Fourth Proportional to 610,793.82, 842,603.18 and 365,611.28

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Solution

The fourth proportional to 610,793.82, 842,603.18 and 365,611.28 is: 504,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,793.82 : 842,603.18 = 365,611.28 : x
  2. Step 2: Convert to fraction form
    610,793.82/842,603.18 = 365,611.28/x
  3. Step 3: Cross multiply
    610,793.82x = 842,603.18 × 365,611.28
  4. Step 4: Simplify right side
    610,793.82x = 308,065,221,130.80
  5. Step 5: Solve for x
    x = 308,065,221,130.80/610,793.82
  6. Step 6: Final answer
    x = 504,368.60

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Why These Related Problems?

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