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Finding the Fourth Proportional to 573,125.18, 859,635.05 and 194,002.57

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Solution

The fourth proportional to 573,125.18, 859,635.05 and 194,002.57 is: 290,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,125.18 : 859,635.05 = 194,002.57 : x
  2. Step 2: Convert to fraction form
    573,125.18/859,635.05 = 194,002.57/x
  3. Step 3: Cross multiply
    573,125.18x = 859,635.05 × 194,002.57
  4. Step 4: Simplify right side
    573,125.18x = 166,771,409,066.61
  5. Step 5: Solve for x
    x = 166,771,409,066.61/573,125.18
  6. Step 6: Final answer
    x = 290,986.01

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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.