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Finding the Fourth Proportional to 472,577.04, 652,150.44 and 257,712.12

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Solution

The fourth proportional to 472,577.04, 652,150.44 and 257,712.12 is: 355,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,577.04 : 652,150.44 = 257,712.12 : x
  2. Step 2: Convert to fraction form
    472,577.04/652,150.44 = 257,712.12/x
  3. Step 3: Cross multiply
    472,577.04x = 652,150.44 × 257,712.12
  4. Step 4: Simplify right side
    472,577.04x = 168,067,072,451.33
  5. Step 5: Solve for x
    x = 168,067,072,451.33/472,577.04
  6. Step 6: Final answer
    x = 355,639.52

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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.