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Finding the Fourth Proportional to 570,421.99, 787,226.06 and 325,412.14

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Solution

The fourth proportional to 570,421.99, 787,226.06 and 325,412.14 is: 449,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,421.99 : 787,226.06 = 325,412.14 : x
  2. Step 2: Convert to fraction form
    570,421.99/787,226.06 = 325,412.14/x
  3. Step 3: Cross multiply
    570,421.99x = 787,226.06 × 325,412.14
  4. Step 4: Simplify right side
    570,421.99x = 256,172,916,848.37
  5. Step 5: Solve for x
    x = 256,172,916,848.37/570,421.99
  6. Step 6: Final answer
    x = 449,093.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.