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Finding the Fourth Proportional to 575,296.12, 793,913.96 and 317,182.18

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Solution

The fourth proportional to 575,296.12, 793,913.96 and 317,182.18 is: 437,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,296.12 : 793,913.96 = 317,182.18 : x
  2. Step 2: Convert to fraction form
    575,296.12/793,913.96 = 317,182.18/x
  3. Step 3: Cross multiply
    575,296.12x = 793,913.96 × 317,182.18
  4. Step 4: Simplify right side
    575,296.12x = 251,815,359,077.84
  5. Step 5: Solve for x
    x = 251,815,359,077.84/575,296.12
  6. Step 6: Final answer
    x = 437,714.33

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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.