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Finding the Fourth Proportional to 652,208.80, 978,264.60 and 273,031.60

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Solution

The fourth proportional to 652,208.80, 978,264.60 and 273,031.60 is: 409,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,208.80 : 978,264.60 = 273,031.60 : x
  2. Step 2: Convert to fraction form
    652,208.80/978,264.60 = 273,031.60/x
  3. Step 3: Cross multiply
    652,208.80x = 978,264.60 × 273,031.60
  4. Step 4: Simplify right side
    652,208.80x = 267,097,148,961.36
  5. Step 5: Solve for x
    x = 267,097,148,961.36/652,208.80
  6. Step 6: Final answer
    x = 409,527.05

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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.