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Finding the Fourth Proportional to 355,666.86, 533,441.43 and 166,146.84

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Solution

The fourth proportional to 355,666.86, 533,441.43 and 166,146.84 is: 249,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,666.86 : 533,441.43 = 166,146.84 : x
  2. Step 2: Convert to fraction form
    355,666.86/533,441.43 = 166,146.84/x
  3. Step 3: Cross multiply
    355,666.86x = 533,441.43 × 166,146.84
  4. Step 4: Simplify right side
    355,666.86x = 88,629,607,919.58
  5. Step 5: Solve for x
    x = 88,629,607,919.58/355,666.86
  6. Step 6: Final answer
    x = 249,192.76

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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.