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Finding the Fourth Proportional to 617,526.78, 852,168.62 and 341,896.90

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Solution

The fourth proportional to 617,526.78, 852,168.62 and 341,896.90 is: 471,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,526.78 : 852,168.62 = 341,896.90 : x
  2. Step 2: Convert to fraction form
    617,526.78/852,168.62 = 341,896.90/x
  3. Step 3: Cross multiply
    617,526.78x = 852,168.62 × 341,896.90
  4. Step 4: Simplify right side
    617,526.78x = 291,353,809,455.28
  5. Step 5: Solve for x
    x = 291,353,809,455.28/617,526.78
  6. Step 6: Final answer
    x = 471,807.57

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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.