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Finding the Fourth Proportional to 617,052.04, 851,533.68 and 345,124.54

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Solution

The fourth proportional to 617,052.04, 851,533.68 and 345,124.54 is: 476,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,052.04 : 851,533.68 = 345,124.54 : x
  2. Step 2: Convert to fraction form
    617,052.04/851,533.68 = 345,124.54/x
  3. Step 3: Cross multiply
    617,052.04x = 851,533.68 × 345,124.54
  4. Step 4: Simplify right side
    617,052.04x = 293,885,169,604.51
  5. Step 5: Solve for x
    x = 293,885,169,604.51/617,052.04
  6. Step 6: Final answer
    x = 476,272.91

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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.