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Finding the Fourth Proportional to 573,315.44, 791,111.03 and 343,882.06

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Solution

The fourth proportional to 573,315.44, 791,111.03 and 343,882.06 is: 474,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,315.44 : 791,111.03 = 343,882.06 : x
  2. Step 2: Convert to fraction form
    573,315.44/791,111.03 = 343,882.06/x
  3. Step 3: Cross multiply
    573,315.44x = 791,111.03 × 343,882.06
  4. Step 4: Simplify right side
    573,315.44x = 272,048,887,955.10
  5. Step 5: Solve for x
    x = 272,048,887,955.10/573,315.44
  6. Step 6: Final answer
    x = 474,518.68

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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.