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Finding the Fourth Proportional to 589,540.19, 812,987.49 and 374,306.59

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Solution

The fourth proportional to 589,540.19, 812,987.49 and 374,306.59 is: 516,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,540.19 : 812,987.49 = 374,306.59 : x
  2. Step 2: Convert to fraction form
    589,540.19/812,987.49 = 374,306.59/x
  3. Step 3: Cross multiply
    589,540.19x = 812,987.49 × 374,306.59
  4. Step 4: Simplify right side
    589,540.19x = 304,306,575,094.56
  5. Step 5: Solve for x
    x = 304,306,575,094.56/589,540.19
  6. Step 6: Final answer
    x = 516,176.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.