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Finding the Fourth Proportional to 328,624.40, 453,500.70 and 185,384

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Solution

The fourth proportional to 328,624.40, 453,500.70 and 185,384 is: 255,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,624.40 : 453,500.70 = 185,384 : x
  2. Step 2: Convert to fraction form
    328,624.40/453,500.70 = 185,384/x
  3. Step 3: Cross multiply
    328,624.40x = 453,500.70 × 185,384
  4. Step 4: Simplify right side
    328,624.40x = 84,071,773,768.80
  5. Step 5: Solve for x
    x = 84,071,773,768.80/328,624.40
  6. Step 6: Final answer
    x = 255,829.37

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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.