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Finding the Fourth Proportional to 585,605.60, 877,825.20 and 269,511.20

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Solution

The fourth proportional to 585,605.60, 877,825.20 and 269,511.20 is: 403,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,605.60 : 877,825.20 = 269,511.20 : x
  2. Step 2: Convert to fraction form
    585,605.60/877,825.20 = 269,511.20/x
  3. Step 3: Cross multiply
    585,605.60x = 877,825.20 × 269,511.20
  4. Step 4: Simplify right side
    585,605.60x = 236,583,723,042.24
  5. Step 5: Solve for x
    x = 236,583,723,042.24/585,605.60
  6. Step 6: Final answer
    x = 403,998.40

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1.5x scale

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.