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Finding the Fourth Proportional to 346,877.51, 519,902.08 and 178,478.51

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Solution

The fourth proportional to 346,877.51, 519,902.08 and 178,478.51 is: 267,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,877.51 : 519,902.08 = 178,478.51 : x
  2. Step 2: Convert to fraction form
    346,877.51/519,902.08 = 178,478.51/x
  3. Step 3: Cross multiply
    346,877.51x = 519,902.08 × 178,478.51
  4. Step 4: Simplify right side
    346,877.51x = 92,791,345,538.59
  5. Step 5: Solve for x
    x = 92,791,345,538.59/346,877.51
  6. Step 6: Final answer
    x = 267,504.65

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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.