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Finding the Fourth Proportional to 652,241.80, 978,362.70 and 540,048.70

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Solution

The fourth proportional to 652,241.80, 978,362.70 and 540,048.70 is: 810,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,241.80 : 978,362.70 = 540,048.70 : x
  2. Step 2: Convert to fraction form
    652,241.80/978,362.70 = 540,048.70/x
  3. Step 3: Cross multiply
    652,241.80x = 978,362.70 × 540,048.70
  4. Step 4: Simplify right side
    652,241.80x = 528,363,504,263.49
  5. Step 5: Solve for x
    x = 528,363,504,263.49/652,241.80
  6. Step 6: Final answer
    x = 810,073.05

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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.