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Finding the Fourth Proportional to 474,000.40, 711,000.60 and 296,853.40

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Solution

The fourth proportional to 474,000.40, 711,000.60 and 296,853.40 is: 445,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,000.40 : 711,000.60 = 296,853.40 : x
  2. Step 2: Convert to fraction form
    474,000.40/711,000.60 = 296,853.40/x
  3. Step 3: Cross multiply
    474,000.40x = 711,000.60 × 296,853.40
  4. Step 4: Simplify right side
    474,000.40x = 211,062,945,512.04
  5. Step 5: Solve for x
    x = 211,062,945,512.04/474,000.40
  6. Step 6: Final answer
    x = 445,280.10

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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.