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Finding the Fourth Proportional to 567,139.49, 850,840.46 and 330,681.05

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Solution

The fourth proportional to 567,139.49, 850,840.46 and 330,681.05 is: 496,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,139.49 : 850,840.46 = 330,681.05 : x
  2. Step 2: Convert to fraction form
    567,139.49/850,840.46 = 330,681.05/x
  3. Step 3: Cross multiply
    567,139.49x = 850,840.46 × 330,681.05
  4. Step 4: Simplify right side
    567,139.49x = 281,356,810,787.68
  5. Step 5: Solve for x
    x = 281,356,810,787.68/567,139.49
  6. Step 6: Final answer
    x = 496,098.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.