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Finding the Fourth Proportional to 652,955.40, 978,266.70 and 533,982.60

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Solution

The fourth proportional to 652,955.40, 978,266.70 and 533,982.60 is: 800,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,955.40 : 978,266.70 = 533,982.60 : x
  2. Step 2: Convert to fraction form
    652,955.40/978,266.70 = 533,982.60/x
  3. Step 3: Cross multiply
    652,955.40x = 978,266.70 × 533,982.60
  4. Step 4: Simplify right side
    652,955.40x = 522,377,395,959.42
  5. Step 5: Solve for x
    x = 522,377,395,959.42/652,955.40
  6. Step 6: Final answer
    x = 800,020.03

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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.