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Finding the Fourth Proportional to 522,599.99, 783,977.88 and 185,612.33

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Solution

The fourth proportional to 522,599.99, 783,977.88 and 185,612.33 is: 278,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,599.99 : 783,977.88 = 185,612.33 : x
  2. Step 2: Convert to fraction form
    522,599.99/783,977.88 = 185,612.33/x
  3. Step 3: Cross multiply
    522,599.99x = 783,977.88 × 185,612.33
  4. Step 4: Simplify right side
    522,599.99x = 145,515,960,975.26
  5. Step 5: Solve for x
    x = 145,515,960,975.26/522,599.99
  6. Step 6: Final answer
    x = 278,446.16

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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.