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Finding the Fourth Proportional to 328,819.65, 453,725.60 and 183,607.71

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Solution

The fourth proportional to 328,819.65, 453,725.60 and 183,607.71 is: 253,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,819.65 : 453,725.60 = 183,607.71 : x
  2. Step 2: Convert to fraction form
    328,819.65/453,725.60 = 183,607.71/x
  3. Step 3: Cross multiply
    328,819.65x = 453,725.60 × 183,607.71
  4. Step 4: Simplify right side
    328,819.65x = 83,307,517,466.34
  5. Step 5: Solve for x
    x = 83,307,517,466.34/328,819.65
  6. Step 6: Final answer
    x = 253,353.22

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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.