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Finding the Fourth Proportional to 574,762.48, 793,196.68 and 320,113.66

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Solution

The fourth proportional to 574,762.48, 793,196.68 and 320,113.66 is: 441,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,762.48 : 793,196.68 = 320,113.66 : x
  2. Step 2: Convert to fraction form
    574,762.48/793,196.68 = 320,113.66/x
  3. Step 3: Cross multiply
    574,762.48x = 793,196.68 × 320,113.66
  4. Step 4: Simplify right side
    574,762.48x = 253,913,092,334.65
  5. Step 5: Solve for x
    x = 253,913,092,334.65/574,762.48
  6. Step 6: Final answer
    x = 441,770.47

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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.