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Finding the Fourth Proportional to 652,232.94, 900,090.72 and 394,074.06

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Solution

The fourth proportional to 652,232.94, 900,090.72 and 394,074.06 is: 543,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,232.94 : 900,090.72 = 394,074.06 : x
  2. Step 2: Convert to fraction form
    652,232.94/900,090.72 = 394,074.06/x
  3. Step 3: Cross multiply
    652,232.94x = 900,090.72 × 394,074.06
  4. Step 4: Simplify right side
    652,232.94x = 354,702,404,398.72
  5. Step 5: Solve for x
    x = 354,702,404,398.72/652,232.94
  6. Step 6: Final answer
    x = 543,827.80

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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.