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Finding the Fourth Proportional to 472,483.64, 652,185.42 and 281,556.92

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Solution

The fourth proportional to 472,483.64, 652,185.42 and 281,556.92 is: 388,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,483.64 : 652,185.42 = 281,556.92 : x
  2. Step 2: Convert to fraction form
    472,483.64/652,185.42 = 281,556.92/x
  3. Step 3: Cross multiply
    472,483.64x = 652,185.42 × 281,556.92
  4. Step 4: Simplify right side
    472,483.64x = 183,627,318,124.11
  5. Step 5: Solve for x
    x = 183,627,318,124.11/472,483.64
  6. Step 6: Final answer
    x = 388,642.70

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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.