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Finding the Fourth Proportional to 523,632.62, 783,898.88 and 323,308.89

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Solution

The fourth proportional to 523,632.62, 783,898.88 and 323,308.89 is: 484,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,632.62 : 783,898.88 = 323,308.89 : x
  2. Step 2: Convert to fraction form
    523,632.62/783,898.88 = 323,308.89/x
  3. Step 3: Cross multiply
    523,632.62x = 783,898.88 × 323,308.89
  4. Step 4: Simplify right side
    523,632.62x = 253,441,475,148.50
  5. Step 5: Solve for x
    x = 253,441,475,148.50/523,632.62
  6. Step 6: Final answer
    x = 484,006.28

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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.