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Finding the Fourth Proportional to 363,420.61, 501,511.51 and 200,075.76

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Solution

The fourth proportional to 363,420.61, 501,511.51 and 200,075.76 is: 276,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,420.61 : 501,511.51 = 200,075.76 : x
  2. Step 2: Convert to fraction form
    363,420.61/501,511.51 = 200,075.76/x
  3. Step 3: Cross multiply
    363,420.61x = 501,511.51 × 200,075.76
  4. Step 4: Simplify right side
    363,420.61x = 100,340,296,762.09
  5. Step 5: Solve for x
    x = 100,340,296,762.09/363,420.61
  6. Step 6: Final answer
    x = 276,099.63

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1.5x scale

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.