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Finding the Fourth Proportional to 575,840.52, 794,654.65 and 317,719.84

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Solution

The fourth proportional to 575,840.52, 794,654.65 and 317,719.84 is: 438,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,840.52 : 794,654.65 = 317,719.84 : x
  2. Step 2: Convert to fraction form
    575,840.52/794,654.65 = 317,719.84/x
  3. Step 3: Cross multiply
    575,840.52x = 794,654.65 × 317,719.84
  4. Step 4: Simplify right side
    575,840.52x = 252,477,550,388.71
  5. Step 5: Solve for x
    x = 252,477,550,388.71/575,840.52
  6. Step 6: Final answer
    x = 438,450.48

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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.