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Finding the Fourth Proportional to 575,351.54, 793,990.50 and 317,237.74

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Solution

The fourth proportional to 575,351.54, 793,990.50 and 317,237.74 is: 437,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,351.54 : 793,990.50 = 317,237.74 : x
  2. Step 2: Convert to fraction form
    575,351.54/793,990.50 = 317,237.74/x
  3. Step 3: Cross multiply
    575,351.54x = 793,990.50 × 317,237.74
  4. Step 4: Simplify right side
    575,351.54x = 251,883,754,109.41
  5. Step 5: Solve for x
    x = 251,883,754,109.41/575,351.54
  6. Step 6: Final answer
    x = 437,791.05

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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.