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Finding the Fourth Proportional to 376,075.60, 519,030.32 and 214,893.68

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Solution

The fourth proportional to 376,075.60, 519,030.32 and 214,893.68 is: 296,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,075.60 : 519,030.32 = 214,893.68 : x
  2. Step 2: Convert to fraction form
    376,075.60/519,030.32 = 214,893.68/x
  3. Step 3: Cross multiply
    376,075.60x = 519,030.32 × 214,893.68
  4. Step 4: Simplify right side
    376,075.60x = 111,536,335,496.38
  5. Step 5: Solve for x
    x = 111,536,335,496.38/376,075.60
  6. Step 6: Final answer
    x = 296,579.56

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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.