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Finding the Fourth Proportional to 565,095.48, 779,875.50 and 323,453.88

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Solution

The fourth proportional to 565,095.48, 779,875.50 and 323,453.88 is: 446,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,095.48 : 779,875.50 = 323,453.88 : x
  2. Step 2: Convert to fraction form
    565,095.48/779,875.50 = 323,453.88/x
  3. Step 3: Cross multiply
    565,095.48x = 779,875.50 × 323,453.88
  4. Step 4: Simplify right side
    565,095.48x = 252,253,756,391.94
  5. Step 5: Solve for x
    x = 252,253,756,391.94/565,095.48
  6. Step 6: Final answer
    x = 446,391.39

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Why These Related Problems?

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