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Finding the Fourth Proportional to 575,880.21, 794,731.59 and 321,225.93

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Solution

The fourth proportional to 575,880.21, 794,731.59 and 321,225.93 is: 443,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,880.21 : 794,731.59 = 321,225.93 : x
  2. Step 2: Convert to fraction form
    575,880.21/794,731.59 = 321,225.93/x
  3. Step 3: Cross multiply
    575,880.21x = 794,731.59 × 321,225.93
  4. Step 4: Simplify right side
    575,880.21x = 255,288,394,098.13
  5. Step 5: Solve for x
    x = 255,288,394,098.13/575,880.21
  6. Step 6: Final answer
    x = 443,301.21

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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.