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Finding the Fourth Proportional to 453,060.04, 628,128.79 and 427,865.80

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Solution

The fourth proportional to 453,060.04, 628,128.79 and 427,865.80 is: 593,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,060.04 : 628,128.79 = 427,865.80 : x
  2. Step 2: Convert to fraction form
    453,060.04/628,128.79 = 427,865.80/x
  3. Step 3: Cross multiply
    453,060.04x = 628,128.79 × 427,865.80
  4. Step 4: Simplify right side
    453,060.04x = 268,754,827,236.38
  5. Step 5: Solve for x
    x = 268,754,827,236.38/453,060.04
  6. Step 6: Final answer
    x = 593,199.14

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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.