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Finding the Fourth Proportional to 571,229.70, 788,296.97 and 316,597.29

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Solution

The fourth proportional to 571,229.70, 788,296.97 and 316,597.29 is: 436,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,229.70 : 788,296.97 = 316,597.29 : x
  2. Step 2: Convert to fraction form
    571,229.70/788,296.97 = 316,597.29/x
  3. Step 3: Cross multiply
    571,229.70x = 788,296.97 × 316,597.29
  4. Step 4: Simplify right side
    571,229.70x = 249,572,682,834.23
  5. Step 5: Solve for x
    x = 249,572,682,834.23/571,229.70
  6. Step 6: Final answer
    x = 436,904.25

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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.