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Finding the Fourth Proportional to 470,892.45, 706,338.69 and 151,043.70

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Solution

The fourth proportional to 470,892.45, 706,338.69 and 151,043.70 is: 226,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,892.45 : 706,338.69 = 151,043.70 : x
  2. Step 2: Convert to fraction form
    470,892.45/706,338.69 = 151,043.70/x
  3. Step 3: Cross multiply
    470,892.45x = 706,338.69 × 151,043.70
  4. Step 4: Simplify right side
    470,892.45x = 106,688,009,190.75
  5. Step 5: Solve for x
    x = 106,688,009,190.75/470,892.45
  6. Step 6: Final answer
    x = 226,565.55

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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.