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Finding the Fourth Proportional to 513,533.60, 769,658.64 and 247,222.88

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Solution

The fourth proportional to 513,533.60, 769,658.64 and 247,222.88 is: 370,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,533.60 : 769,658.64 = 247,222.88 : x
  2. Step 2: Convert to fraction form
    513,533.60/769,658.64 = 247,222.88/x
  3. Step 3: Cross multiply
    513,533.60x = 769,658.64 × 247,222.88
  4. Step 4: Simplify right side
    513,533.60x = 190,277,225,597.68
  5. Step 5: Solve for x
    x = 190,277,225,597.68/513,533.60
  6. Step 6: Final answer
    x = 370,525.37

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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.