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Finding the Fourth Proportional to 329,888.61, 494,800.10 and 152,393.09

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Solution

The fourth proportional to 329,888.61, 494,800.10 and 152,393.09 is: 228,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,888.61 : 494,800.10 = 152,393.09 : x
  2. Step 2: Convert to fraction form
    329,888.61/494,800.10 = 152,393.09/x
  3. Step 3: Cross multiply
    329,888.61x = 494,800.10 × 152,393.09
  4. Step 4: Simplify right side
    329,888.61x = 75,404,112,935.34
  5. Step 5: Solve for x
    x = 75,404,112,935.34/329,888.61
  6. Step 6: Final answer
    x = 228,574.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.