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Finding the Fourth Proportional to 341,902.60, 512,849.10 and 154,913.80

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Solution

The fourth proportional to 341,902.60, 512,849.10 and 154,913.80 is: 232,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,902.60 : 512,849.10 = 154,913.80 : x
  2. Step 2: Convert to fraction form
    341,902.60/512,849.10 = 154,913.80/x
  3. Step 3: Cross multiply
    341,902.60x = 512,849.10 × 154,913.80
  4. Step 4: Simplify right side
    341,902.60x = 79,447,402,907.58
  5. Step 5: Solve for x
    x = 79,447,402,907.58/341,902.60
  6. Step 6: Final answer
    x = 232,368.53

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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.