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Finding the Fourth Proportional to 574,686.34, 793,010.38 and 320,061.22

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Solution

The fourth proportional to 574,686.34, 793,010.38 and 320,061.22 is: 441,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,686.34 : 793,010.38 = 320,061.22 : x
  2. Step 2: Convert to fraction form
    574,686.34/793,010.38 = 320,061.22/x
  3. Step 3: Cross multiply
    574,686.34x = 793,010.38 × 320,061.22
  4. Step 4: Simplify right side
    574,686.34x = 253,811,869,695.46
  5. Step 5: Solve for x
    x = 253,811,869,695.46/574,686.34
  6. Step 6: Final answer
    x = 441,652.87

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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.