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Finding the Fourth Proportional to 314,066.39, 433,372.28 and 212,313.24

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Solution

The fourth proportional to 314,066.39, 433,372.28 and 212,313.24 is: 292,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,066.39 : 433,372.28 = 212,313.24 : x
  2. Step 2: Convert to fraction form
    314,066.39/433,372.28 = 212,313.24/x
  3. Step 3: Cross multiply
    314,066.39x = 433,372.28 × 212,313.24
  4. Step 4: Simplify right side
    314,066.39x = 92,010,671,831.42
  5. Step 5: Solve for x
    x = 92,010,671,831.42/314,066.39
  6. Step 6: Final answer
    x = 292,965.68

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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.