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Finding the Fourth Proportional to 346,602.60, 478,294.47 and 193,610.43

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Solution

The fourth proportional to 346,602.60, 478,294.47 and 193,610.43 is: 267,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,602.60 : 478,294.47 = 193,610.43 : x
  2. Step 2: Convert to fraction form
    346,602.60/478,294.47 = 193,610.43/x
  3. Step 3: Cross multiply
    346,602.60x = 478,294.47 × 193,610.43
  4. Step 4: Simplify right side
    346,602.60x = 92,602,798,003.32
  5. Step 5: Solve for x
    x = 92,602,798,003.32/346,602.60
  6. Step 6: Final answer
    x = 267,172.83

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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.