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Finding the Fourth Proportional to 575,434.20, 794,146.50 and 317,361.64

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Solution

The fourth proportional to 575,434.20, 794,146.50 and 317,361.64 is: 437,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,434.20 : 794,146.50 = 317,361.64 : x
  2. Step 2: Convert to fraction form
    575,434.20/794,146.50 = 317,361.64/x
  3. Step 3: Cross multiply
    575,434.20x = 794,146.50 × 317,361.64
  4. Step 4: Simplify right side
    575,434.20x = 252,031,635,640.26
  5. Step 5: Solve for x
    x = 252,031,635,640.26/575,434.20
  6. Step 6: Final answer
    x = 437,985.15

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