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Finding the Fourth Proportional to 552,588.84, 828,880.56 and 477,480.44

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Solution

The fourth proportional to 552,588.84, 828,880.56 and 477,480.44 is: 716,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,588.84 : 828,880.56 = 477,480.44 : x
  2. Step 2: Convert to fraction form
    552,588.84/828,880.56 = 477,480.44/x
  3. Step 3: Cross multiply
    552,588.84x = 828,880.56 × 477,480.44
  4. Step 4: Simplify right side
    552,588.84x = 395,774,254,496.25
  5. Step 5: Solve for x
    x = 395,774,254,496.25/552,588.84
  6. Step 6: Final answer
    x = 716,218.33

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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.