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Finding the Fourth Proportional to 525,810.68, 725,423.82 and 364,808.60

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Solution

The fourth proportional to 525,810.68, 725,423.82 and 364,808.60 is: 503,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,810.68 : 725,423.82 = 364,808.60 : x
  2. Step 2: Convert to fraction form
    525,810.68/725,423.82 = 364,808.60/x
  3. Step 3: Cross multiply
    525,810.68x = 725,423.82 × 364,808.60
  4. Step 4: Simplify right side
    525,810.68x = 264,640,848,180.85
  5. Step 5: Solve for x
    x = 264,640,848,180.85/525,810.68
  6. Step 6: Final answer
    x = 503,300.63

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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.