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Finding the Fourth Proportional to 573,625.64, 791,819.88 and 492,729.32

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Solution

The fourth proportional to 573,625.64, 791,819.88 and 492,729.32 is: 680,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,625.64 : 791,819.88 = 492,729.32 : x
  2. Step 2: Convert to fraction form
    573,625.64/791,819.88 = 492,729.32/x
  3. Step 3: Cross multiply
    573,625.64x = 791,819.88 × 492,729.32
  4. Step 4: Simplify right side
    573,625.64x = 390,152,871,034.88
  5. Step 5: Solve for x
    x = 390,152,871,034.88/573,625.64
  6. Step 6: Final answer
    x = 680,152.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.