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Finding the Fourth Proportional to 328,907.99, 453,894.90 and 183,719.89

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Solution

The fourth proportional to 328,907.99, 453,894.90 and 183,719.89 is: 253,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,907.99 : 453,894.90 = 183,719.89 : x
  2. Step 2: Convert to fraction form
    328,907.99/453,894.90 = 183,719.89/x
  3. Step 3: Cross multiply
    328,907.99x = 453,894.90 × 183,719.89
  4. Step 4: Simplify right side
    328,907.99x = 83,389,519,046.22
  5. Step 5: Solve for x
    x = 83,389,519,046.22/328,907.99
  6. Step 6: Final answer
    x = 253,534.49

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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.