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Finding the Fourth Proportional to 346,892.49, 478,714.93 and 203,654.93

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Solution

The fourth proportional to 346,892.49, 478,714.93 and 203,654.93 is: 281,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,892.49 : 478,714.93 = 203,654.93 : x
  2. Step 2: Convert to fraction form
    346,892.49/478,714.93 = 203,654.93/x
  3. Step 3: Cross multiply
    346,892.49x = 478,714.93 × 203,654.93
  4. Step 4: Simplify right side
    346,892.49x = 97,492,652,656.39
  5. Step 5: Solve for x
    x = 97,492,652,656.39/346,892.49
  6. Step 6: Final answer
    x = 281,045.73

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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.