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Finding the Fourth Proportional to 655,867.55, 983,602.73 and 229,323.92

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Solution

The fourth proportional to 655,867.55, 983,602.73 and 229,323.92 is: 343,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,867.55 : 983,602.73 = 229,323.92 : x
  2. Step 2: Convert to fraction form
    655,867.55/983,602.73 = 229,323.92/x
  3. Step 3: Cross multiply
    655,867.55x = 983,602.73 × 229,323.92
  4. Step 4: Simplify right side
    655,867.55x = 225,563,627,701.67
  5. Step 5: Solve for x
    x = 225,563,627,701.67/655,867.55
  6. Step 6: Final answer
    x = 343,916.43

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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.