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Finding the Fourth Proportional to 652,944.40, 978,250.20 and 533,971.60

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Solution

The fourth proportional to 652,944.40, 978,250.20 and 533,971.60 is: 800,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,944.40 : 978,250.20 = 533,971.60 : x
  2. Step 2: Convert to fraction form
    652,944.40/978,250.20 = 533,971.60/x
  3. Step 3: Cross multiply
    652,944.40x = 978,250.20 × 533,971.60
  4. Step 4: Simplify right side
    652,944.40x = 522,357,824,494.32
  5. Step 5: Solve for x
    x = 522,357,824,494.32/652,944.40
  6. Step 6: Final answer
    x = 800,003.53

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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.