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Finding the Fourth Proportional to 647,199.62, 893,166.04 and 360,721.75

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Solution

The fourth proportional to 647,199.62, 893,166.04 and 360,721.75 is: 497,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,199.62 : 893,166.04 = 360,721.75 : x
  2. Step 2: Convert to fraction form
    647,199.62/893,166.04 = 360,721.75/x
  3. Step 3: Cross multiply
    647,199.62x = 893,166.04 × 360,721.75
  4. Step 4: Simplify right side
    647,199.62x = 322,184,416,989.37
  5. Step 5: Solve for x
    x = 322,184,416,989.37/647,199.62
  6. Step 6: Final answer
    x = 497,813.05

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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.