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Finding the Fourth Proportional to 574,732.80, 793,100.08 and 316,559.52

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Solution

The fourth proportional to 574,732.80, 793,100.08 and 316,559.52 is: 436,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,732.80 : 793,100.08 = 316,559.52 : x
  2. Step 2: Convert to fraction form
    574,732.80/793,100.08 = 316,559.52/x
  3. Step 3: Cross multiply
    574,732.80x = 793,100.08 × 316,559.52
  4. Step 4: Simplify right side
    574,732.80x = 251,063,380,636.76
  5. Step 5: Solve for x
    x = 251,063,380,636.76/574,732.80
  6. Step 6: Final answer
    x = 436,834.96

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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.