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Finding the Fourth Proportional to 346,881, 519,907.32 and 178,482

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Solution

The fourth proportional to 346,881, 519,907.32 and 178,482 is: 267,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,881 : 519,907.32 = 178,482 : x
  2. Step 2: Convert to fraction form
    346,881/519,907.32 = 178,482/x
  3. Step 3: Cross multiply
    346,881x = 519,907.32 × 178,482
  4. Step 4: Simplify right side
    346,881x = 92,794,098,288.24
  5. Step 5: Solve for x
    x = 92,794,098,288.24/346,881
  6. Step 6: Final answer
    x = 267,509.89

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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.