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Finding the Fourth Proportional to 351,314.40, 525,805.20 and 351,314.40

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Solution

The fourth proportional to 351,314.40, 525,805.20 and 351,314.40 is: 525,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,314.40 : 525,805.20 = 351,314.40 : x
  2. Step 2: Convert to fraction form
    351,314.40/525,805.20 = 351,314.40/x
  3. Step 3: Cross multiply
    351,314.40x = 525,805.20 × 351,314.40
  4. Step 4: Simplify right side
    351,314.40x = 184,722,938,354.88
  5. Step 5: Solve for x
    x = 184,722,938,354.88/351,314.40
  6. Step 6: Final answer
    x = 525,805.20

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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.