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Finding the Fourth Proportional to 328,903.17, 453,837.85 and 192,885.77

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Solution

The fourth proportional to 328,903.17, 453,837.85 and 192,885.77 is: 266,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,903.17 : 453,837.85 = 192,885.77 : x
  2. Step 2: Convert to fraction form
    328,903.17/453,837.85 = 192,885.77/x
  3. Step 3: Cross multiply
    328,903.17x = 453,837.85 × 192,885.77
  4. Step 4: Simplify right side
    328,903.17x = 87,538,860,400.99
  5. Step 5: Solve for x
    x = 87,538,860,400.99/328,903.17
  6. Step 6: Final answer
    x = 266,153.90

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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.