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Finding the Fourth Proportional to 875,704.67, 1,208,471.91 and 473,296.67

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Solution

The fourth proportional to 875,704.67, 1,208,471.91 and 473,296.67 is: 653,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,704.67 : 1,208,471.91 = 473,296.67 : x
  2. Step 2: Convert to fraction form
    875,704.67/1,208,471.91 = 473,296.67/x
  3. Step 3: Cross multiply
    875,704.67x = 1,208,471.91 × 473,296.67
  4. Step 4: Simplify right side
    875,704.67x = 571,965,730,791.54
  5. Step 5: Solve for x
    x = 571,965,730,791.54/875,704.67
  6. Step 6: Final answer
    x = 653,149.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.