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Finding the Fourth Proportional to 582,315.81, 803,434.38 and 349,682.73

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Solution

The fourth proportional to 582,315.81, 803,434.38 and 349,682.73 is: 482,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,315.81 : 803,434.38 = 349,682.73 : x
  2. Step 2: Convert to fraction form
    582,315.81/803,434.38 = 349,682.73/x
  3. Step 3: Cross multiply
    582,315.81x = 803,434.38 × 349,682.73
  4. Step 4: Simplify right side
    582,315.81x = 280,947,127,374.26
  5. Step 5: Solve for x
    x = 280,947,127,374.26/582,315.81
  6. Step 6: Final answer
    x = 482,465.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.