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Finding the Fourth Proportional to 575,308.44, 793,929.33 and 320,675.76

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Solution

The fourth proportional to 575,308.44, 793,929.33 and 320,675.76 is: 442,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,308.44 : 793,929.33 = 320,675.76 : x
  2. Step 2: Convert to fraction form
    575,308.44/793,929.33 = 320,675.76/x
  3. Step 3: Cross multiply
    575,308.44x = 793,929.33 × 320,675.76
  4. Step 4: Simplify right side
    575,308.44x = 254,593,891,284.04
  5. Step 5: Solve for x
    x = 254,593,891,284.04/575,308.44
  6. Step 6: Final answer
    x = 442,534.60

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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.