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Finding the Fourth Proportional to 476,564.96, 657,104.04 and 355,496.06

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Solution

The fourth proportional to 476,564.96, 657,104.04 and 355,496.06 is: 490,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,564.96 : 657,104.04 = 355,496.06 : x
  2. Step 2: Convert to fraction form
    476,564.96/657,104.04 = 355,496.06/x
  3. Step 3: Cross multiply
    476,564.96x = 657,104.04 × 355,496.06
  4. Step 4: Simplify right side
    476,564.96x = 233,597,897,230.08
  5. Step 5: Solve for x
    x = 233,597,897,230.08/476,564.96
  6. Step 6: Final answer
    x = 490,170.11

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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.