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Finding the Fourth Proportional to 608,818.82, 913,543.20 and 441,718.36

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Solution

The fourth proportional to 608,818.82, 913,543.20 and 441,718.36 is: 662,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,818.82 : 913,543.20 = 441,718.36 : x
  2. Step 2: Convert to fraction form
    608,818.82/913,543.20 = 441,718.36/x
  3. Step 3: Cross multiply
    608,818.82x = 913,543.20 × 441,718.36
  4. Step 4: Simplify right side
    608,818.82x = 403,528,801,809.29
  5. Step 5: Solve for x
    x = 403,528,801,809.29/608,818.82
  6. Step 6: Final answer
    x = 662,806.05

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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.