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Finding the Fourth Proportional to 573,770.96, 791,707.72 and 319,088.08

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Solution

The fourth proportional to 573,770.96, 791,707.72 and 319,088.08 is: 440,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,770.96 : 791,707.72 = 319,088.08 : x
  2. Step 2: Convert to fraction form
    573,770.96/791,707.72 = 319,088.08/x
  3. Step 3: Cross multiply
    573,770.96x = 791,707.72 × 319,088.08
  4. Step 4: Simplify right side
    573,770.96x = 252,624,496,295.98
  5. Step 5: Solve for x
    x = 252,624,496,295.98/573,770.96
  6. Step 6: Final answer
    x = 440,288.05

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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.