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Finding the Fourth Proportional to 523,479.24, 783,668.79 and 323,155.58

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Solution

The fourth proportional to 523,479.24, 783,668.79 and 323,155.58 is: 483,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,479.24 : 783,668.79 = 323,155.58 : x
  2. Step 2: Convert to fraction form
    523,479.24/783,668.79 = 323,155.58/x
  3. Step 3: Cross multiply
    523,479.24x = 783,668.79 × 323,155.58
  4. Step 4: Simplify right side
    523,479.24x = 253,246,938,442.00
  5. Step 5: Solve for x
    x = 253,246,938,442.00/523,479.24
  6. Step 6: Final answer
    x = 483,776.47

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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.