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Finding the Fourth Proportional to 606,411.24, 909,708.12 and 195,943.74

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Solution

The fourth proportional to 606,411.24, 909,708.12 and 195,943.74 is: 293,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,411.24 : 909,708.12 = 195,943.74 : x
  2. Step 2: Convert to fraction form
    606,411.24/909,708.12 = 195,943.74/x
  3. Step 3: Cross multiply
    606,411.24x = 909,708.12 × 195,943.74
  4. Step 4: Simplify right side
    606,411.24x = 178,251,611,341.17
  5. Step 5: Solve for x
    x = 178,251,611,341.17/606,411.24
  6. Step 6: Final answer
    x = 293,945.10

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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.