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Finding the Fourth Proportional to 302,591.55, 453,756.09 and 102,858.30

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Solution

The fourth proportional to 302,591.55, 453,756.09 and 102,858.30 is: 154,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,591.55 : 453,756.09 = 102,858.30 : x
  2. Step 2: Convert to fraction form
    302,591.55/453,756.09 = 102,858.30/x
  3. Step 3: Cross multiply
    302,591.55x = 453,756.09 × 102,858.30
  4. Step 4: Simplify right side
    302,591.55x = 46,672,580,032.05
  5. Step 5: Solve for x
    x = 46,672,580,032.05/302,591.55
  6. Step 6: Final answer
    x = 154,242.84

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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.