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Finding the Fourth Proportional to 387,833.49, 534,768.95 and 273,075.46

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Solution

The fourth proportional to 387,833.49, 534,768.95 and 273,075.46 is: 376,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,833.49 : 534,768.95 = 273,075.46 : x
  2. Step 2: Convert to fraction form
    387,833.49/534,768.95 = 273,075.46/x
  3. Step 3: Cross multiply
    387,833.49x = 534,768.95 × 273,075.46
  4. Step 4: Simplify right side
    387,833.49x = 146,032,276,360.73
  5. Step 5: Solve for x
    x = 146,032,276,360.73/387,833.49
  6. Step 6: Final answer
    x = 376,533.44

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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.