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Finding the Fourth Proportional to 395,028.60, 592,681.14 and 114,562.68

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Solution

The fourth proportional to 395,028.60, 592,681.14 and 114,562.68 is: 171,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,028.60 : 592,681.14 = 114,562.68 : x
  2. Step 2: Convert to fraction form
    395,028.60/592,681.14 = 114,562.68/x
  3. Step 3: Cross multiply
    395,028.60x = 592,681.14 × 114,562.68
  4. Step 4: Simplify right side
    395,028.60x = 67,899,139,783.86
  5. Step 5: Solve for x
    x = 67,899,139,783.86/395,028.60
  6. Step 6: Final answer
    x = 171,884.11

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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.