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Finding the Fourth Proportional to 575,825.33, 794,636.72 and 317,718.34

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Solution

The fourth proportional to 575,825.33, 794,636.72 and 317,718.34 is: 438,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,825.33 : 794,636.72 = 317,718.34 : x
  2. Step 2: Convert to fraction form
    575,825.33/794,636.72 = 317,718.34/x
  3. Step 3: Cross multiply
    575,825.33x = 794,636.72 × 317,718.34
  4. Step 4: Simplify right side
    575,825.33x = 252,470,654,019.67
  5. Step 5: Solve for x
    x = 252,470,654,019.67/575,825.33
  6. Step 6: Final answer
    x = 438,450.07

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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.