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Finding the Fourth Proportional to 586,069, 808,775.22 and 317,797

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Solution

The fourth proportional to 586,069, 808,775.22 and 317,797 is: 438,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,069 : 808,775.22 = 317,797 : x
  2. Step 2: Convert to fraction form
    586,069/808,775.22 = 317,797/x
  3. Step 3: Cross multiply
    586,069x = 808,775.22 × 317,797
  4. Step 4: Simplify right side
    586,069x = 257,026,338,590.34
  5. Step 5: Solve for x
    x = 257,026,338,590.34/586,069
  6. Step 6: Final answer
    x = 438,559.86

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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.