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Finding the Fourth Proportional to 507,611.05, 700,577.85 and 292,709.14

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Solution

The fourth proportional to 507,611.05, 700,577.85 and 292,709.14 is: 403,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,611.05 : 700,577.85 = 292,709.14 : x
  2. Step 2: Convert to fraction form
    507,611.05/700,577.85 = 292,709.14/x
  3. Step 3: Cross multiply
    507,611.05x = 700,577.85 × 292,709.14
  4. Step 4: Simplify right side
    507,611.05x = 205,065,539,976.55
  5. Step 5: Solve for x
    x = 205,065,539,976.55/507,611.05
  6. Step 6: Final answer
    x = 403,981.63

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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.