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Finding the Fourth Proportional to 507,494.72, 700,291.68 and 281,097.92

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Solution

The fourth proportional to 507,494.72, 700,291.68 and 281,097.92 is: 387,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,494.72 : 700,291.68 = 281,097.92 : x
  2. Step 2: Convert to fraction form
    507,494.72/700,291.68 = 281,097.92/x
  3. Step 3: Cross multiply
    507,494.72x = 700,291.68 × 281,097.92
  4. Step 4: Simplify right side
    507,494.72x = 196,850,534,641.31
  5. Step 5: Solve for x
    x = 196,850,534,641.31/507,494.72
  6. Step 6: Final answer
    x = 387,886.86

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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.