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Finding the Fourth Proportional to 282,571.60, 423,857.40 and 236,952.40

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Solution

The fourth proportional to 282,571.60, 423,857.40 and 236,952.40 is: 355,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,571.60 : 423,857.40 = 236,952.40 : x
  2. Step 2: Convert to fraction form
    282,571.60/423,857.40 = 236,952.40/x
  3. Step 3: Cross multiply
    282,571.60x = 423,857.40 × 236,952.40
  4. Step 4: Simplify right side
    282,571.60x = 100,434,028,187.76
  5. Step 5: Solve for x
    x = 100,434,028,187.76/282,571.60
  6. Step 6: Final answer
    x = 355,428.60

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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.