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Finding the Fourth Proportional to 652,751.80, 979,173.50 and 273,289.55

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Solution

The fourth proportional to 652,751.80, 979,173.50 and 273,289.55 is: 409,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,751.80 : 979,173.50 = 273,289.55 : x
  2. Step 2: Convert to fraction form
    652,751.80/979,173.50 = 273,289.55/x
  3. Step 3: Cross multiply
    652,751.80x = 979,173.50 × 273,289.55
  4. Step 4: Simplify right side
    652,751.80x = 267,597,878,924.61
  5. Step 5: Solve for x
    x = 267,597,878,924.61/652,751.80
  6. Step 6: Final answer
    x = 409,953.49

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1.5x scale

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.