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Finding the Fourth Proportional to 701,646.83, 968,271.80 and 379,356.17

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Solution

The fourth proportional to 701,646.83, 968,271.80 and 379,356.17 is: 523,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,646.83 : 968,271.80 = 379,356.17 : x
  2. Step 2: Convert to fraction form
    701,646.83/968,271.80 = 379,356.17/x
  3. Step 3: Cross multiply
    701,646.83x = 968,271.80 × 379,356.17
  4. Step 4: Simplify right side
    701,646.83x = 367,319,877,674.04
  5. Step 5: Solve for x
    x = 367,319,877,674.04/701,646.83
  6. Step 6: Final answer
    x = 523,511.06

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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.