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Finding the Fourth Proportional to 507,484.05, 700,327.97 and 278,050.03

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Solution

The fourth proportional to 507,484.05, 700,327.97 and 278,050.03 is: 383,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,484.05 : 700,327.97 = 278,050.03 : x
  2. Step 2: Convert to fraction form
    507,484.05/700,327.97 = 278,050.03/x
  3. Step 3: Cross multiply
    507,484.05x = 700,327.97 × 278,050.03
  4. Step 4: Simplify right side
    507,484.05x = 194,726,216,473.33
  5. Step 5: Solve for x
    x = 194,726,216,473.33/507,484.05
  6. Step 6: Final answer
    x = 383,709.04

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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.