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Finding the Fourth Proportional to 602,620.20, 903,929.76 and 228,643.20

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Solution

The fourth proportional to 602,620.20, 903,929.76 and 228,643.20 is: 342,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,620.20 : 903,929.76 = 228,643.20 : x
  2. Step 2: Convert to fraction form
    602,620.20/903,929.76 = 228,643.20/x
  3. Step 3: Cross multiply
    602,620.20x = 903,929.76 × 228,643.20
  4. Step 4: Simplify right side
    602,620.20x = 206,677,392,901.63
  5. Step 5: Solve for x
    x = 206,677,392,901.63/602,620.20
  6. Step 6: Final answer
    x = 342,964.60

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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.