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Finding the Fourth Proportional to 302,893.60, 453,465.60 and 294,145.60

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Solution

The fourth proportional to 302,893.60, 453,465.60 and 294,145.60 is: 440,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,893.60 : 453,465.60 = 294,145.60 : x
  2. Step 2: Convert to fraction form
    302,893.60/453,465.60 = 294,145.60/x
  3. Step 3: Cross multiply
    302,893.60x = 453,465.60 × 294,145.60
  4. Step 4: Simplify right side
    302,893.60x = 133,384,910,991.36
  5. Step 5: Solve for x
    x = 133,384,910,991.36/302,893.60
  6. Step 6: Final answer
    x = 440,368.87

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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.