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Finding the Fourth Proportional to 629,188.32, 942,994.35 and 495,540.75

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Solution

The fourth proportional to 629,188.32, 942,994.35 and 495,540.75 is: 742,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,188.32 : 942,994.35 = 495,540.75 : x
  2. Step 2: Convert to fraction form
    629,188.32/942,994.35 = 495,540.75/x
  3. Step 3: Cross multiply
    629,188.32x = 942,994.35 × 495,540.75
  4. Step 4: Simplify right side
    629,188.32x = 467,292,127,444.76
  5. Step 5: Solve for x
    x = 467,292,127,444.76/629,188.32
  6. Step 6: Final answer
    x = 742,690.40

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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.