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Finding the Fourth Proportional to 474,920.88, 711,761.04 and 362,188.32

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Solution

The fourth proportional to 474,920.88, 711,761.04 and 362,188.32 is: 542,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,920.88 : 711,761.04 = 362,188.32 : x
  2. Step 2: Convert to fraction form
    474,920.88/711,761.04 = 362,188.32/x
  3. Step 3: Cross multiply
    474,920.88x = 711,761.04 × 362,188.32
  4. Step 4: Simplify right side
    474,920.88x = 257,791,535,319.05
  5. Step 5: Solve for x
    x = 257,791,535,319.05/474,920.88
  6. Step 6: Final answer
    x = 542,809.44

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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.