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Finding the Fourth Proportional to 625,802.40, 938,703.60 and 182,570.40

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Solution

The fourth proportional to 625,802.40, 938,703.60 and 182,570.40 is: 273,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,802.40 : 938,703.60 = 182,570.40 : x
  2. Step 2: Convert to fraction form
    625,802.40/938,703.60 = 182,570.40/x
  3. Step 3: Cross multiply
    625,802.40x = 938,703.60 × 182,570.40
  4. Step 4: Simplify right side
    625,802.40x = 171,379,491,733.44
  5. Step 5: Solve for x
    x = 171,379,491,733.44/625,802.40
  6. Step 6: Final answer
    x = 273,855.60

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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.