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Finding the Fourth Proportional to 302,561.80, 452,858.55 and 235,639.60

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Solution

The fourth proportional to 302,561.80, 452,858.55 and 235,639.60 is: 352,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,561.80 : 452,858.55 = 235,639.60 : x
  2. Step 2: Convert to fraction form
    302,561.80/452,858.55 = 235,639.60/x
  3. Step 3: Cross multiply
    302,561.80x = 452,858.55 × 235,639.60
  4. Step 4: Simplify right side
    302,561.80x = 106,711,407,578.58
  5. Step 5: Solve for x
    x = 106,711,407,578.58/302,561.80
  6. Step 6: Final answer
    x = 352,692.93

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1.5x scale

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.