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Finding the Fourth Proportional to 521,624.10, 731,323.50 and 521,624.10

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Solution

The fourth proportional to 521,624.10, 731,323.50 and 521,624.10 is: 731,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,624.10 : 731,323.50 = 521,624.10 : x
  2. Step 2: Convert to fraction form
    521,624.10/731,323.50 = 521,624.10/x
  3. Step 3: Cross multiply
    521,624.10x = 731,323.50 × 521,624.10
  4. Step 4: Simplify right side
    521,624.10x = 381,475,962,496.35
  5. Step 5: Solve for x
    x = 381,475,962,496.35/521,624.10
  6. Step 6: Final answer
    x = 731,323.50

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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.