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Finding the Fourth Proportional to 575,826.96, 794,643.96 and 317,703.90

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Solution

The fourth proportional to 575,826.96, 794,643.96 and 317,703.90 is: 438,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,826.96 : 794,643.96 = 317,703.90 : x
  2. Step 2: Convert to fraction form
    575,826.96/794,643.96 = 317,703.90/x
  3. Step 3: Cross multiply
    575,826.96x = 794,643.96 × 317,703.90
  4. Step 4: Simplify right side
    575,826.96x = 252,461,485,203.44
  5. Step 5: Solve for x
    x = 252,461,485,203.44/575,826.96
  6. Step 6: Final answer
    x = 438,432.90

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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.