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Finding the Fourth Proportional to 575,924.60, 794,732.14 and 317,811.84

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Solution

The fourth proportional to 575,924.60, 794,732.14 and 317,811.84 is: 438,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,924.60 : 794,732.14 = 317,811.84 : x
  2. Step 2: Convert to fraction form
    575,924.60/794,732.14 = 317,811.84/x
  3. Step 3: Cross multiply
    575,924.60x = 794,732.14 × 317,811.84
  4. Step 4: Simplify right side
    575,924.60x = 252,575,283,720.54
  5. Step 5: Solve for x
    x = 252,575,283,720.54/575,924.60
  6. Step 6: Final answer
    x = 438,556.16

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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.