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Finding the Fourth Proportional to 575,827.33, 794,639.47 and 317,720.34

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Solution

The fourth proportional to 575,827.33, 794,639.47 and 317,720.34 is: 438,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,827.33 : 794,639.47 = 317,720.34 : x
  2. Step 2: Convert to fraction form
    575,827.33/794,639.47 = 317,720.34/x
  3. Step 3: Cross multiply
    575,827.33x = 794,639.47 × 317,720.34
  4. Step 4: Simplify right side
    575,827.33x = 252,473,122,585.82
  5. Step 5: Solve for x
    x = 252,473,122,585.82/575,827.33
  6. Step 6: Final answer
    x = 438,452.83

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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.