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Finding the Fourth Proportional to 605,248, 835,248 and 336,981.76

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Solution

The fourth proportional to 605,248, 835,248 and 336,981.76 is: 465,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,248 : 835,248 = 336,981.76 : x
  2. Step 2: Convert to fraction form
    605,248/835,248 = 336,981.76/x
  3. Step 3: Cross multiply
    605,248x = 835,248 × 336,981.76
  4. Step 4: Simplify right side
    605,248x = 281,463,341,076.48
  5. Step 5: Solve for x
    x = 281,463,341,076.48/605,248
  6. Step 6: Final answer
    x = 465,038.04

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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.