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Finding the Fourth Proportional to 617,473.90, 852,153.51 and 345,573.10

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Solution

The fourth proportional to 617,473.90, 852,153.51 and 345,573.10 is: 476,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,473.90 : 852,153.51 = 345,573.10 : x
  2. Step 2: Convert to fraction form
    617,473.90/852,153.51 = 345,573.10/x
  3. Step 3: Cross multiply
    617,473.90x = 852,153.51 × 345,573.10
  4. Step 4: Simplify right side
    617,473.90x = 294,481,330,126.58
  5. Step 5: Solve for x
    x = 294,481,330,126.58/617,473.90
  6. Step 6: Final answer
    x = 476,913.00

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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.