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Finding the Fourth Proportional to 1,105,800.56, 1,658,394.04 and 474,574

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Solution

The fourth proportional to 1,105,800.56, 1,658,394.04 and 474,574 is: 711,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,800.56 : 1,658,394.04 = 474,574 : x
  2. Step 2: Convert to fraction form
    1,105,800.56/1,658,394.04 = 474,574/x
  3. Step 3: Cross multiply
    1,105,800.56x = 1,658,394.04 × 474,574
  4. Step 4: Simplify right side
    1,105,800.56x = 787,030,693,138.96
  5. Step 5: Solve for x
    x = 787,030,693,138.96/1,105,800.56
  6. Step 6: Final answer
    x = 711,729.33

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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.