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Finding the Fourth Proportional to 976,465.42, 1,464,164.22 and 775,353.40

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Solution

The fourth proportional to 976,465.42, 1,464,164.22 and 775,353.40 is: 1,162,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,465.42 : 1,464,164.22 = 775,353.40 : x
  2. Step 2: Convert to fraction form
    976,465.42/1,464,164.22 = 775,353.40/x
  3. Step 3: Cross multiply
    976,465.42x = 1,464,164.22 × 775,353.40
  4. Step 4: Simplify right side
    976,465.42x = 1,135,244,706,135.35
  5. Step 5: Solve for x
    x = 1,135,244,706,135.35/976,465.42
  6. Step 6: Final answer
    x = 1,162,606.15

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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.