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Finding the Fourth Proportional to 575,257.51, 793,882.39 and 320,610.52

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Solution

The fourth proportional to 575,257.51, 793,882.39 and 320,610.52 is: 442,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,257.51 : 793,882.39 = 320,610.52 : x
  2. Step 2: Convert to fraction form
    575,257.51/793,882.39 = 320,610.52/x
  3. Step 3: Cross multiply
    575,257.51x = 793,882.39 × 320,610.52
  4. Step 4: Simplify right side
    575,257.51x = 254,527,045,876.74
  5. Step 5: Solve for x
    x = 254,527,045,876.74/575,257.51
  6. Step 6: Final answer
    x = 442,457.58

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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.