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Finding the Fourth Proportional to 573,762.02, 791,701.70 and 319,113.27

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Solution

The fourth proportional to 573,762.02, 791,701.70 and 319,113.27 is: 440,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,762.02 : 791,701.70 = 319,113.27 : x
  2. Step 2: Convert to fraction form
    573,762.02/791,701.70 = 319,113.27/x
  3. Step 3: Cross multiply
    573,762.02x = 791,701.70 × 319,113.27
  4. Step 4: Simplify right side
    573,762.02x = 252,642,516,755.99
  5. Step 5: Solve for x
    x = 252,642,516,755.99/573,762.02
  6. Step 6: Final answer
    x = 440,326.32

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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.