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Finding the Fourth Proportional to 302,511.60, 454,204.80 and 228,153.60

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Solution

The fourth proportional to 302,511.60, 454,204.80 and 228,153.60 is: 342,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,511.60 : 454,204.80 = 228,153.60 : x
  2. Step 2: Convert to fraction form
    302,511.60/454,204.80 = 228,153.60/x
  3. Step 3: Cross multiply
    302,511.60x = 454,204.80 × 228,153.60
  4. Step 4: Simplify right side
    302,511.60x = 103,628,460,257.28
  5. Step 5: Solve for x
    x = 103,628,460,257.28/302,511.60
  6. Step 6: Final answer
    x = 342,560.29

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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.