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Finding the Fourth Proportional to 474,004.70, 711,007.05 and 474,004.70

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Solution

The fourth proportional to 474,004.70, 711,007.05 and 474,004.70 is: 711,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,004.70 : 711,007.05 = 474,004.70 : x
  2. Step 2: Convert to fraction form
    474,004.70/711,007.05 = 474,004.70/x
  3. Step 3: Cross multiply
    474,004.70x = 711,007.05 × 474,004.70
  4. Step 4: Simplify right side
    474,004.70x = 337,020,683,433.14
  5. Step 5: Solve for x
    x = 337,020,683,433.14/474,004.70
  6. Step 6: Final answer
    x = 711,007.05

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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.