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Finding the Fourth Proportional to 701,292.78, 968,264.30 and 446,988.42

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Solution

The fourth proportional to 701,292.78, 968,264.30 and 446,988.42 is: 617,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,292.78 : 968,264.30 = 446,988.42 : x
  2. Step 2: Convert to fraction form
    701,292.78/968,264.30 = 446,988.42/x
  3. Step 3: Cross multiply
    701,292.78x = 968,264.30 × 446,988.42
  4. Step 4: Simplify right side
    701,292.78x = 432,802,927,364.46
  5. Step 5: Solve for x
    x = 432,802,927,364.46/701,292.78
  6. Step 6: Final answer
    x = 617,150.13

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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.