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Finding the Fourth Proportional to 322,017.60, 483,026.40 and 97,412.70

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Solution

The fourth proportional to 322,017.60, 483,026.40 and 97,412.70 is: 146,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,017.60 : 483,026.40 = 97,412.70 : x
  2. Step 2: Convert to fraction form
    322,017.60/483,026.40 = 97,412.70/x
  3. Step 3: Cross multiply
    322,017.60x = 483,026.40 × 97,412.70
  4. Step 4: Simplify right side
    322,017.60x = 47,052,905,795.28
  5. Step 5: Solve for x
    x = 47,052,905,795.28/322,017.60
  6. Step 6: Final answer
    x = 146,119.05

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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.