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Finding the Fourth Proportional to 453,059.04, 628,127.40 and 427,864.80

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Solution

The fourth proportional to 453,059.04, 628,127.40 and 427,864.80 is: 593,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,059.04 : 628,127.40 = 427,864.80 : x
  2. Step 2: Convert to fraction form
    453,059.04/628,127.40 = 427,864.80/x
  3. Step 3: Cross multiply
    453,059.04x = 628,127.40 × 427,864.80
  4. Step 4: Simplify right side
    453,059.04x = 268,753,604,375.52
  5. Step 5: Solve for x
    x = 268,753,604,375.52/453,059.04
  6. Step 6: Final answer
    x = 593,197.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.