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Finding the Fourth Proportional to 470,317.48, 705,511.42 and 133,385.27

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Solution

The fourth proportional to 470,317.48, 705,511.42 and 133,385.27 is: 200,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,317.48 : 705,511.42 = 133,385.27 : x
  2. Step 2: Convert to fraction form
    470,317.48/705,511.42 = 133,385.27/x
  3. Step 3: Cross multiply
    470,317.48x = 705,511.42 × 133,385.27
  4. Step 4: Simplify right side
    470,317.48x = 94,104,833,014.46
  5. Step 5: Solve for x
    x = 94,104,833,014.46/470,317.48
  6. Step 6: Final answer
    x = 200,087.89

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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.