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Finding the Fourth Proportional to 349,390.44, 482,160.42 and 198,495.72

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Solution

The fourth proportional to 349,390.44, 482,160.42 and 198,495.72 is: 273,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,390.44 : 482,160.42 = 198,495.72 : x
  2. Step 2: Convert to fraction form
    349,390.44/482,160.42 = 198,495.72/x
  3. Step 3: Cross multiply
    349,390.44x = 482,160.42 × 198,495.72
  4. Step 4: Simplify right side
    349,390.44x = 95,706,779,723.40
  5. Step 5: Solve for x
    x = 95,706,779,723.40/349,390.44
  6. Step 6: Final answer
    x = 273,925.01

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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.