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Finding the Fourth Proportional to 346,479.67, 519,768.74 and 106,613.47

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Solution

The fourth proportional to 346,479.67, 519,768.74 and 106,613.47 is: 159,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,479.67 : 519,768.74 = 106,613.47 : x
  2. Step 2: Convert to fraction form
    346,479.67/519,768.74 = 106,613.47/x
  3. Step 3: Cross multiply
    346,479.67x = 519,768.74 × 106,613.47
  4. Step 4: Simplify right side
    346,479.67x = 55,414,348,968.93
  5. Step 5: Solve for x
    x = 55,414,348,968.93/346,479.67
  6. Step 6: Final answer
    x = 159,935.35

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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.