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Finding the Fourth Proportional to 328,315.96, 453,082.95 and 185,076

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Solution

The fourth proportional to 328,315.96, 453,082.95 and 185,076 is: 255,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,315.96 : 453,082.95 = 185,076 : x
  2. Step 2: Convert to fraction form
    328,315.96/453,082.95 = 185,076/x
  3. Step 3: Cross multiply
    328,315.96x = 453,082.95 × 185,076
  4. Step 4: Simplify right side
    328,315.96x = 83,854,780,054.20
  5. Step 5: Solve for x
    x = 83,854,780,054.20/328,315.96
  6. Step 6: Final answer
    x = 255,408.78

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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.