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Finding the Fourth Proportional to 504,200.55, 706,405.65 and 504,200.55

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Solution

The fourth proportional to 504,200.55, 706,405.65 and 504,200.55 is: 706,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,200.55 : 706,405.65 = 504,200.55 : x
  2. Step 2: Convert to fraction form
    504,200.55/706,405.65 = 504,200.55/x
  3. Step 3: Cross multiply
    504,200.55x = 706,405.65 × 504,200.55
  4. Step 4: Simplify right side
    504,200.55x = 356,170,117,253.11
  5. Step 5: Solve for x
    x = 356,170,117,253.11/504,200.55
  6. Step 6: Final answer
    x = 706,405.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.