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Finding the Fourth Proportional to 575,823.92, 794,634.77 and 317,716.93

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Solution

The fourth proportional to 575,823.92, 794,634.77 and 317,716.93 is: 438,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,823.92 : 794,634.77 = 317,716.93 : x
  2. Step 2: Convert to fraction form
    575,823.92/794,634.77 = 317,716.93/x
  3. Step 3: Cross multiply
    575,823.92x = 794,634.77 × 317,716.93
  4. Step 4: Simplify right side
    575,823.92x = 252,468,916,020.49
  5. Step 5: Solve for x
    x = 252,468,916,020.49/575,823.92
  6. Step 6: Final answer
    x = 438,448.13

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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.