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Finding the Fourth Proportional to 575,434.26, 794,146.55 and 317,361.69

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Solution

The fourth proportional to 575,434.26, 794,146.55 and 317,361.69 is: 437,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,434.26 : 794,146.55 = 317,361.69 : x
  2. Step 2: Convert to fraction form
    575,434.26/794,146.55 = 317,361.69/x
  3. Step 3: Cross multiply
    575,434.26x = 794,146.55 × 317,361.69
  4. Step 4: Simplify right side
    575,434.26x = 252,031,689,628.86
  5. Step 5: Solve for x
    x = 252,031,689,628.86/575,434.26
  6. Step 6: Final answer
    x = 437,985.20

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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.