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Finding the Fourth Proportional to 329,886.60, 494,246.70 and 292,561.80

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Solution

The fourth proportional to 329,886.60, 494,246.70 and 292,561.80 is: 438,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,886.60 : 494,246.70 = 292,561.80 : x
  2. Step 2: Convert to fraction form
    329,886.60/494,246.70 = 292,561.80/x
  3. Step 3: Cross multiply
    329,886.60x = 494,246.70 × 292,561.80
  4. Step 4: Simplify right side
    329,886.60x = 144,597,704,196.06
  5. Step 5: Solve for x
    x = 144,597,704,196.06/329,886.60
  6. Step 6: Final answer
    x = 438,325.49

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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.