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Finding the Fourth Proportional to 575,898.80, 794,734.92 and 317,778.08

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Solution

The fourth proportional to 575,898.80, 794,734.92 and 317,778.08 is: 438,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,898.80 : 794,734.92 = 317,778.08 : x
  2. Step 2: Convert to fraction form
    575,898.80/794,734.92 = 317,778.08/x
  3. Step 3: Cross multiply
    575,898.80x = 794,734.92 × 317,778.08
  4. Step 4: Simplify right side
    575,898.80x = 252,549,336,986.55
  5. Step 5: Solve for x
    x = 252,549,336,986.55/575,898.80
  6. Step 6: Final answer
    x = 438,530.76

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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.