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Finding the Fourth Proportional to 617,632.44, 852,465.60 and 375,994.68

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Solution

The fourth proportional to 617,632.44, 852,465.60 and 375,994.68 is: 518,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,632.44 : 852,465.60 = 375,994.68 : x
  2. Step 2: Convert to fraction form
    617,632.44/852,465.60 = 375,994.68/x
  3. Step 3: Cross multiply
    617,632.44x = 852,465.60 × 375,994.68
  4. Step 4: Simplify right side
    617,632.44x = 320,522,530,483.01
  5. Step 5: Solve for x
    x = 320,522,530,483.01/617,632.44
  6. Step 6: Final answer
    x = 518,953.52

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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.