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Finding the Fourth Proportional to 652,074.05, 899,817.12 and 361,658.22

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Solution

The fourth proportional to 652,074.05, 899,817.12 and 361,658.22 is: 499,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,074.05 : 899,817.12 = 361,658.22 : x
  2. Step 2: Convert to fraction form
    652,074.05/899,817.12 = 361,658.22/x
  3. Step 3: Cross multiply
    652,074.05x = 899,817.12 × 361,658.22
  4. Step 4: Simplify right side
    652,074.05x = 325,426,257,944.73
  5. Step 5: Solve for x
    x = 325,426,257,944.73/652,074.05
  6. Step 6: Final answer
    x = 499,063.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.