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Finding the Fourth Proportional to 805,981.17, 1,208,928.03 and 244,971.93

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Solution

The fourth proportional to 805,981.17, 1,208,928.03 and 244,971.93 is: 367,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,981.17 : 1,208,928.03 = 244,971.93 : x
  2. Step 2: Convert to fraction form
    805,981.17/1,208,928.03 = 244,971.93/x
  3. Step 3: Cross multiply
    805,981.17x = 1,208,928.03 × 244,971.93
  4. Step 4: Simplify right side
    805,981.17x = 296,153,432,740.20
  5. Step 5: Solve for x
    x = 296,153,432,740.20/805,981.17
  6. Step 6: Final answer
    x = 367,444.61

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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.