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Finding the Fourth Proportional to 637,902, 956,853 and 263,934.72

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Solution

The fourth proportional to 637,902, 956,853 and 263,934.72 is: 395,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,902 : 956,853 = 263,934.72 : x
  2. Step 2: Convert to fraction form
    637,902/956,853 = 263,934.72/x
  3. Step 3: Cross multiply
    637,902x = 956,853 × 263,934.72
  4. Step 4: Simplify right side
    637,902x = 252,546,728,636.16
  5. Step 5: Solve for x
    x = 252,546,728,636.16/637,902
  6. Step 6: Final answer
    x = 395,902.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.