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Finding the Fourth Proportional to 440,543.10, 618,004.50 and 440,543.10

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Solution

The fourth proportional to 440,543.10, 618,004.50 and 440,543.10 is: 618,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,543.10 : 618,004.50 = 440,543.10 : x
  2. Step 2: Convert to fraction form
    440,543.10/618,004.50 = 440,543.10/x
  3. Step 3: Cross multiply
    440,543.10x = 618,004.50 × 440,543.10
  4. Step 4: Simplify right side
    440,543.10x = 272,257,618,243.95
  5. Step 5: Solve for x
    x = 272,257,618,243.95/440,543.10
  6. Step 6: Final answer
    x = 618,004.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.