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Finding the Fourth Proportional to 652,225.80, 978,290.10 and 273,048.60

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Solution

The fourth proportional to 652,225.80, 978,290.10 and 273,048.60 is: 409,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,225.80 : 978,290.10 = 273,048.60 : x
  2. Step 2: Convert to fraction form
    652,225.80/978,290.10 = 273,048.60/x
  3. Step 3: Cross multiply
    652,225.80x = 978,290.10 × 273,048.60
  4. Step 4: Simplify right side
    652,225.80x = 267,120,742,198.86
  5. Step 5: Solve for x
    x = 267,120,742,198.86/652,225.80
  6. Step 6: Final answer
    x = 409,552.55

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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.