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Finding the Fourth Proportional to 507,271.59, 699,876.32 and 292,382.46

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Solution

The fourth proportional to 507,271.59, 699,876.32 and 292,382.46 is: 403,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,271.59 : 699,876.32 = 292,382.46 : x
  2. Step 2: Convert to fraction form
    507,271.59/699,876.32 = 292,382.46/x
  3. Step 3: Cross multiply
    507,271.59x = 699,876.32 × 292,382.46
  4. Step 4: Simplify right side
    507,271.59x = 204,631,558,675.44
  5. Step 5: Solve for x
    x = 204,631,558,675.44/507,271.59
  6. Step 6: Final answer
    x = 403,396.45

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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.