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Finding the Fourth Proportional to 553,768.04, 830,678.43 and 269,119.46

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Solution

The fourth proportional to 553,768.04, 830,678.43 and 269,119.46 is: 403,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,768.04 : 830,678.43 = 269,119.46 : x
  2. Step 2: Convert to fraction form
    553,768.04/830,678.43 = 269,119.46/x
  3. Step 3: Cross multiply
    553,768.04x = 830,678.43 × 269,119.46
  4. Step 4: Simplify right side
    553,768.04x = 223,551,726,361.86
  5. Step 5: Solve for x
    x = 223,551,726,361.86/553,768.04
  6. Step 6: Final answer
    x = 403,692.00

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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.