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Finding the Fourth Proportional to 404,578.60, 607,559.10 and 264,956.20

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Solution

The fourth proportional to 404,578.60, 607,559.10 and 264,956.20 is: 397,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,578.60 : 607,559.10 = 264,956.20 : x
  2. Step 2: Convert to fraction form
    404,578.60/607,559.10 = 264,956.20/x
  3. Step 3: Cross multiply
    404,578.60x = 607,559.10 × 264,956.20
  4. Step 4: Simplify right side
    404,578.60x = 160,976,550,411.42
  5. Step 5: Solve for x
    x = 160,976,550,411.42/404,578.60
  6. Step 6: Final answer
    x = 397,886.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.