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Finding the Fourth Proportional to 472,207.55, 651,566.60 and 265,448.39

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Solution

The fourth proportional to 472,207.55, 651,566.60 and 265,448.39 is: 366,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,207.55 : 651,566.60 = 265,448.39 : x
  2. Step 2: Convert to fraction form
    472,207.55/651,566.60 = 265,448.39/x
  3. Step 3: Cross multiply
    472,207.55x = 651,566.60 × 265,448.39
  4. Step 4: Simplify right side
    472,207.55x = 172,957,303,620.53
  5. Step 5: Solve for x
    x = 172,957,303,620.53/472,207.55
  6. Step 6: Final answer
    x = 366,273.91

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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.