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Finding the Fourth Proportional to 346,669.74, 478,398.42 and 193,710.42

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Solution

The fourth proportional to 346,669.74, 478,398.42 and 193,710.42 is: 267,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,669.74 : 478,398.42 = 193,710.42 : x
  2. Step 2: Convert to fraction form
    346,669.74/478,398.42 = 193,710.42/x
  3. Step 3: Cross multiply
    346,669.74x = 478,398.42 × 193,710.42
  4. Step 4: Simplify right side
    346,669.74x = 92,670,758,865.54
  5. Step 5: Solve for x
    x = 92,670,758,865.54/346,669.74
  6. Step 6: Final answer
    x = 267,317.13

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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.