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Finding the Fourth Proportional to 652,195.60, 978,293.40 and 534,000.40

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Solution

The fourth proportional to 652,195.60, 978,293.40 and 534,000.40 is: 801,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,195.60 : 978,293.40 = 534,000.40 : x
  2. Step 2: Convert to fraction form
    652,195.60/978,293.40 = 534,000.40/x
  3. Step 3: Cross multiply
    652,195.60x = 978,293.40 × 534,000.40
  4. Step 4: Simplify right side
    652,195.60x = 522,409,066,917.36
  5. Step 5: Solve for x
    x = 522,409,066,917.36/652,195.60
  6. Step 6: Final answer
    x = 801,000.60

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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.