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Finding the Fourth Proportional to 565,578.04, 848,755.90 and 210,875.80

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Solution

The fourth proportional to 565,578.04, 848,755.90 and 210,875.80 is: 316,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,578.04 : 848,755.90 = 210,875.80 : x
  2. Step 2: Convert to fraction form
    565,578.04/848,755.90 = 210,875.80/x
  3. Step 3: Cross multiply
    565,578.04x = 848,755.90 × 210,875.80
  4. Step 4: Simplify right side
    565,578.04x = 178,982,079,417.22
  5. Step 5: Solve for x
    x = 178,982,079,417.22/565,578.04
  6. Step 6: Final answer
    x = 316,458.68

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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.