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Finding the Fourth Proportional to 701,819.01, 968,494.05 and 415,343.88

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Solution

The fourth proportional to 701,819.01, 968,494.05 and 415,343.88 is: 573,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,819.01 : 968,494.05 = 415,343.88 : x
  2. Step 2: Convert to fraction form
    701,819.01/968,494.05 = 415,343.88/x
  3. Step 3: Cross multiply
    701,819.01x = 968,494.05 × 415,343.88
  4. Step 4: Simplify right side
    701,819.01x = 402,258,076,483.91
  5. Step 5: Solve for x
    x = 402,258,076,483.91/701,819.01
  6. Step 6: Final answer
    x = 573,164.98

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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.