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Finding the Fourth Proportional to 575,645.23, 794,403.13 and 317,530.02

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Solution

The fourth proportional to 575,645.23, 794,403.13 and 317,530.02 is: 438,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,645.23 : 794,403.13 = 317,530.02 : x
  2. Step 2: Convert to fraction form
    575,645.23/794,403.13 = 317,530.02/x
  3. Step 3: Cross multiply
    575,645.23x = 794,403.13 × 317,530.02
  4. Step 4: Simplify right side
    575,645.23x = 252,246,840,963.14
  5. Step 5: Solve for x
    x = 252,246,840,963.14/575,645.23
  6. Step 6: Final answer
    x = 438,198.44

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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.