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Finding the Fourth Proportional to 357,532.41, 492,990.39 and 228,300.96

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Solution

The fourth proportional to 357,532.41, 492,990.39 and 228,300.96 is: 314,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,532.41 : 492,990.39 = 228,300.96 : x
  2. Step 2: Convert to fraction form
    357,532.41/492,990.39 = 228,300.96/x
  3. Step 3: Cross multiply
    357,532.41x = 492,990.39 × 228,300.96
  4. Step 4: Simplify right side
    357,532.41x = 112,550,179,307.77
  5. Step 5: Solve for x
    x = 112,550,179,307.77/357,532.41
  6. Step 6: Final answer
    x = 314,797.14

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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.