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Finding the Fourth Proportional to 573,048.42, 859,744.34 and 231,315.90

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Solution

The fourth proportional to 573,048.42, 859,744.34 and 231,315.90 is: 347,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,048.42 : 859,744.34 = 231,315.90 : x
  2. Step 2: Convert to fraction form
    573,048.42/859,744.34 = 231,315.90/x
  3. Step 3: Cross multiply
    573,048.42x = 859,744.34 × 231,315.90
  4. Step 4: Simplify right side
    573,048.42x = 198,872,535,777.01
  5. Step 5: Solve for x
    x = 198,872,535,777.01/573,048.42
  6. Step 6: Final answer
    x = 347,043.16

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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.