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Finding the Fourth Proportional to 559,365.28, 839,465.81 and 379,023.10

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Solution

The fourth proportional to 559,365.28, 839,465.81 and 379,023.10 is: 568,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,365.28 : 839,465.81 = 379,023.10 : x
  2. Step 2: Convert to fraction form
    559,365.28/839,465.81 = 379,023.10/x
  3. Step 3: Cross multiply
    559,365.28x = 839,465.81 × 379,023.10
  4. Step 4: Simplify right side
    559,365.28x = 318,176,931,077.77
  5. Step 5: Solve for x
    x = 318,176,931,077.77/559,365.28
  6. Step 6: Final answer
    x = 568,817.81

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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.