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Finding the Fourth Proportional to 302,561.30, 452,857.80 and 235,639.10

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Solution

The fourth proportional to 302,561.30, 452,857.80 and 235,639.10 is: 352,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,561.30 : 452,857.80 = 235,639.10 : x
  2. Step 2: Convert to fraction form
    302,561.30/452,857.80 = 235,639.10/x
  3. Step 3: Cross multiply
    302,561.30x = 452,857.80 × 235,639.10
  4. Step 4: Simplify right side
    302,561.30x = 106,711,004,419.98
  5. Step 5: Solve for x
    x = 106,711,004,419.98/302,561.30
  6. Step 6: Final answer
    x = 352,692.18

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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.