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Finding the Fourth Proportional to 432,228.60, 648,291.87 and 116,710.11

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Solution

The fourth proportional to 432,228.60, 648,291.87 and 116,710.11 is: 175,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,228.60 : 648,291.87 = 116,710.11 : x
  2. Step 2: Convert to fraction form
    432,228.60/648,291.87 = 116,710.11/x
  3. Step 3: Cross multiply
    432,228.60x = 648,291.87 × 116,710.11
  4. Step 4: Simplify right side
    432,228.60x = 75,662,215,459.81
  5. Step 5: Solve for x
    x = 75,662,215,459.81/432,228.60
  6. Step 6: Final answer
    x = 175,051.39

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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.