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Finding the Fourth Proportional to 328,573.13, 453,446.78 and 185,329.89

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Solution

The fourth proportional to 328,573.13, 453,446.78 and 185,329.89 is: 255,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,573.13 : 453,446.78 = 185,329.89 : x
  2. Step 2: Convert to fraction form
    328,573.13/453,446.78 = 185,329.89/x
  3. Step 3: Cross multiply
    328,573.13x = 453,446.78 × 185,329.89
  4. Step 4: Simplify right side
    328,573.13x = 84,037,240,931.60
  5. Step 5: Solve for x
    x = 84,037,240,931.60/328,573.13
  6. Step 6: Final answer
    x = 255,764.20

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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.