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Finding the Fourth Proportional to 302,236.20, 452,835.90 and 144,124.20

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Solution

The fourth proportional to 302,236.20, 452,835.90 and 144,124.20 is: 215,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,236.20 : 452,835.90 = 144,124.20 : x
  2. Step 2: Convert to fraction form
    302,236.20/452,835.90 = 144,124.20/x
  3. Step 3: Cross multiply
    302,236.20x = 452,835.90 × 144,124.20
  4. Step 4: Simplify right side
    302,236.20x = 65,264,611,818.78
  5. Step 5: Solve for x
    x = 65,264,611,818.78/302,236.20
  6. Step 6: Final answer
    x = 215,939.10

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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.